Add fix from OpenWrt for MIPS64 N64 ABI

https://dev.openwrt.org/browser/trunk/toolchain/uClibc/patches-0.9.33.2/616-mips_fix_stat_time.patch

When booting in Qemu you get for example failures from mdev -s otherwise.

libc/sysdeps/linux/common/xstatconv.c

@@ -37,9 +37,12 @@ void __xstat_conv(struct kernel_stat *kbuf, struct stat *buf)
 	buf->st_size = kbuf->st_size;
 	buf->st_blksize = kbuf->st_blksize;
 	buf->st_blocks = kbuf->st_blocks;
-	buf->st_atim = kbuf->st_atim;
-	buf->st_mtim = kbuf->st_mtim;
-	buf->st_ctim = kbuf->st_ctim;
+	buf->st_atim.tv_sec = kbuf->st_atim.tv_sec;
+	buf->st_atim.tv_nsec = kbuf->st_atim.tv_nsec;
+	buf->st_mtim.tv_sec = kbuf->st_mtim.tv_sec;
+	buf->st_mtim.tv_nsec = kbuf->st_mtim.tv_nsec;
+	buf->st_ctim.tv_sec = kbuf->st_ctim.tv_sec;
+	buf->st_ctim.tv_nsec = kbuf->st_ctim.tv_nsec;
 }
 
 void __xstat32_conv(struct kernel_stat64 *kbuf, struct stat *buf)
@@ -56,9 +59,12 @@ void __xstat32_conv(struct kernel_stat64 *kbuf, struct stat *buf)
 	buf->st_size = kbuf->st_size;
 	buf->st_blksize = kbuf->st_blksize;
 	buf->st_blocks = kbuf->st_blocks;
-	buf->st_atim = kbuf->st_atim;
-	buf->st_mtim = kbuf->st_mtim;
-	buf->st_ctim = kbuf->st_ctim;
+	buf->st_atim.tv_sec = kbuf->st_atim.tv_sec;
+	buf->st_atim.tv_nsec = kbuf->st_atim.tv_nsec;
+	buf->st_mtim.tv_sec = kbuf->st_mtim.tv_sec;
+	buf->st_mtim.tv_nsec = kbuf->st_mtim.tv_nsec;
+	buf->st_ctim.tv_sec = kbuf->st_ctim.tv_sec;
+	buf->st_ctim.tv_nsec = kbuf->st_ctim.tv_nsec;
 }
 
 #ifdef __UCLIBC_HAS_LFS__
@@ -80,9 +86,12 @@ void __xstat64_conv(struct kernel_stat64 *kbuf, struct stat64 *buf)
 	buf->st_size = kbuf->st_size;
 	buf->st_blksize = kbuf->st_blksize;
 	buf->st_blocks = kbuf->st_blocks;
-	buf->st_atim = kbuf->st_atim;
-	buf->st_mtim = kbuf->st_mtim;
-	buf->st_ctim = kbuf->st_ctim;
+	buf->st_atim.tv_sec = kbuf->st_atim.tv_sec;
+	buf->st_atim.tv_nsec = kbuf->st_atim.tv_nsec;
+	buf->st_mtim.tv_sec = kbuf->st_mtim.tv_sec;
+	buf->st_mtim.tv_nsec = kbuf->st_mtim.tv_nsec;
+	buf->st_ctim.tv_sec = kbuf->st_ctim.tv_sec;
+	buf->st_ctim.tv_nsec = kbuf->st_ctim.tv_nsec;
 }
 
 #endif /* __UCLIBC_HAS_LFS__ */

libc/sysdeps/linux/mips/bits/kernel_stat.h

@@ -7,6 +7,18 @@
 
 #include <sgidefs.h>
 
+#if _MIPS_SIM == _MIPS_SIM_ABI64
+typedef struct {
+	unsigned int tv_sec;
+	unsigned int tv_nsec;
+} __ktimespec_t;
+#else
+typedef struct {
+	time_t tv_sec;
+	unsigned long tv_nsec;
+} __ktimespec_t;
+#endif
+
 #if _MIPS_SIM == _MIPS_SIM_ABI64
 /* The memory layout is the same as of struct stat64 of the 32-bit kernel.  */
 struct kernel_stat {
@@ -20,9 +32,9 @@ struct kernel_stat {
 	__kernel_dev_t	st_rdev;
 	unsigned int	st_pad2[3];
 	__kernel_off_t	st_size;
-	struct timespec	st_atim;
-	struct timespec	st_mtim;
-	struct timespec	st_ctim;
+	__ktimespec_t	st_atim;
+	__ktimespec_t	st_mtim;
+	__ktimespec_t	st_ctim;
 	unsigned int	st_blksize;
 	unsigned int	reserved3;
 	unsigned long	st_blocks;
@@ -41,9 +53,9 @@ struct kernel_stat {
 	unsigned int	st_rdev;
 	unsigned int	st_pad2[3];
 	unsigned long long	st_size;
-	struct timespec	st_atim;
-	struct timespec	st_mtim;
-	struct timespec	st_ctim;
+	__ktimespec_t	st_atim;
+	__ktimespec_t	st_mtim;
+	__ktimespec_t	st_ctim;
 	unsigned int	st_blksize;
 	unsigned int	reserved3;
 	unsigned long long	st_blocks;
@@ -62,9 +74,9 @@ struct kernel_stat {
 	long		st_pad2[2];
 	__kernel_off_t	st_size;
 	long		st_pad3;
-	struct timespec	st_atim;
-	struct timespec	st_mtim;
-	struct timespec	st_ctim;
+	__ktimespec_t	st_atim;
+	__ktimespec_t	st_mtim;
+	__ktimespec_t	st_ctim;
 	long		st_blksize;
 	long		st_blocks;
 	long		st_pad4[14];
@@ -81,9 +93,9 @@ struct kernel_stat64 {
 	unsigned long	st_rdev;
 	unsigned long	st_pad1[3];	/* Reserved for st_rdev expansion  */
 	long long	st_size;
-	struct timespec	st_atim;
-	struct timespec	st_mtim;
-	struct timespec	st_ctim;
+	__ktimespec_t	st_atim;
+	__ktimespec_t	st_mtim;
+	__ktimespec_t	st_ctim;
 	unsigned long	st_blksize;
 	unsigned long	st_pad2;
 	long long	st_blocks;