add a musl hotfix from nsz for sh

toolchain/musl/patches/xxx-hotfix-sh.patch

@@ -0,0 +1,80 @@
+* thx to nsz from #musl
+diff -Nur musl-git/arch/sh/bits/user.h musl-sh/arch/sh/bits/user.h
+--- musl-git/arch/sh/bits/user.h	1970-01-01 01:00:00.000000000 +0100
++++ musl-sh/arch/sh/bits/user.h	2014-03-07 15:08:42.000000000 +0100
+@@ -0,0 +1,75 @@
++#undef __WORDSIZE
++#define __WORDSIZE 32
++
++#define REG_REG0	 0
++#define REG_REG15	15
++#define REG_PC		16
++#define REG_PR		17
++#define REG_SR		18
++#define REG_GBR		19
++#define REG_MACH	20
++#define REG_MACL	21
++#define REG_SYSCALL	22
++#define REG_FPREG0	23
++#define REG_FPREG15	38
++#define REG_XFREG0	39
++#define REG_XFREG15	54
++#define REG_FPSCR	55
++#define REG_FPUL	56
++
++struct pt_regs {
++	unsigned long regs[16];
++	unsigned long pc;
++	unsigned long pr;
++	unsigned long sr;
++	unsigned long gbr;
++	unsigned long mach;
++	unsigned long macl;
++	long tra;
++};
++
++struct pt_dspregs {
++	unsigned long a1;
++	unsigned long a0g;
++	unsigned long a1g;
++	unsigned long m0;
++	unsigned long m1;
++	unsigned long a0;
++	unsigned long x0;
++	unsigned long x1;
++	unsigned long y0;
++	unsigned long y1;
++	unsigned long dsr;
++	unsigned long rs;
++	unsigned long re;
++	unsigned long mod;
++};
++
++struct user_fpu_struct {
++	unsigned long fp_regs[16];
++	unsigned long xfp_regs[16];
++	unsigned long fpscr;
++	unsigned long fpul;
++};
++
++#define ELF_NGREG 23
++typedef unsigned long elf_greg_t;
++typedef elf_greg_t elf_gregset_t[ELF_NGREG];
++typedef struct user_fpu_struct elf_fpregset_t;
++
++struct user {
++	struct pt_regs regs;
++	struct user_fpu_struct fpu;
++	int u_fpvalid;
++	unsigned long u_tsize;
++	unsigned long u_dsize;
++	unsigned long u_ssize;
++	unsigned long start_code;
++	unsigned long start_data;
++	unsigned long start_stack;
++	long int signal;
++	unsigned long u_ar0;
++	struct user_fpu_struct *u_fpstate;
++	unsigned long magic;
++	char u_comm[32];
++};