add more old MIPS cpu definitions

target/config/Config.in.cpu

@@ -795,6 +795,36 @@ config ADK_TARGET_CPU_MIPS_MIPS32R6
 	depends on ADK_TARGET_ARCH_MIPS
 
 # mips64
+config ADK_TARGET_CPU_MIPS64_MIPS1
+	bool "mips1"
+	select ADK_LINUX_64
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_WITH_MMU
+	select ADK_TARGET_ARCH_MIPS_WITH_NAN_LEGACY
+	depends on ADK_TARGET_ARCH_MIPS64
+
+config ADK_TARGET_CPU_MIPS64_MIPS2
+	bool "mips2"
+	select ADK_LINUX_64
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_WITH_MMU
+	select ADK_TARGET_ARCH_MIPS_WITH_NAN_LEGACY
+	depends on ADK_TARGET_ARCH_MIPS64
+
+config ADK_TARGET_CPU_MIPS64_MIPS3
+	bool "mips3"
+	select ADK_LINUX_64
+	select ADK_TARGET_SUPPORTS_THREADS
+	select ADK_TARGET_SUPPORTS_LT
+	select ADK_TARGET_SUPPORTS_NPTL
+	select ADK_TARGET_WITH_MMU
+	select ADK_TARGET_ARCH_MIPS_WITH_NAN_LEGACY
+	depends on ADK_TARGET_ARCH_MIPS64
+
 config ADK_TARGET_CPU_MIPS64_MIPS4
 	bool "mips4"
 	select ADK_LINUX_64
@@ -1729,6 +1759,10 @@ config ADK_TARGET_GCC_ARCH
 	default "mips32" if ADK_TARGET_CPU_MIPS_MIPS32
 	default "mips32r2" if ADK_TARGET_CPU_MIPS_MIPS32R2
 	default "mips32r6" if ADK_TARGET_CPU_MIPS_MIPS32R6
+	default "mips1" if ADK_TARGET_CPU_MIPS64_MIPS1
+	default "mips2" if ADK_TARGET_CPU_MIPS64_MIPS2
+	default "mips3" if ADK_TARGET_CPU_MIPS64_MIPS3
+	default "mips4" if ADK_TARGET_CPU_MIPS64_MIPS4
 	default "mips64" if ADK_TARGET_CPU_MIPS64_MIPS64
 	default "mips64r2" if ADK_TARGET_CPU_MIPS64_MIPS64R2
 	default "mips64r6" if ADK_TARGET_CPU_MIPS64_MIPS64R6