cris: use gcc 7.1

target/config/Config.in.compiler

@@ -16,7 +16,6 @@ endchoice
 choice
 prompt "GCC version"
 depends on ADK_BUILD_COMPILER_GCC
-default ADK_TOOLCHAIN_GCC_GIT if ADK_TARGET_ARCH_CRIS
 default ADK_TOOLCHAIN_GCC_ARC if ADK_TARGET_ARCH_ARC
 default ADK_TOOLCHAIN_GCC_OR1K if ADK_TARGET_ARCH_OR1K
 default ADK_TOOLCHAIN_GCC_NDS32 if ADK_TARGET_ARCH_NDS32
@@ -26,6 +25,7 @@ default ADK_TOOLCHAIN_GCC_4_9 if ADK_TARGET_ARCH_LM32 && !ADK_TARGET_LIB_NEWLIB
 default ADK_TOOLCHAIN_GCC_4_9 if ADK_TARGET_LIB_GLIBC && ADK_TARGET_ARCH_SH
 default ADK_TOOLCHAIN_GCC_4_9 if ADK_TARGET_SYSTEM_KINETIS_K70
 default ADK_TOOLCHAIN_GCC_5 if ADK_TARGET_ARCH_MICROBLAZE
+default ADK_TOOLCHAIN_GCC_7 if ADK_TARGET_ARCH_CRIS
 default ADK_TOOLCHAIN_GCC_6
 
 config ADK_TOOLCHAIN_GCC_GIT
@@ -39,7 +39,6 @@ config ADK_TOOLCHAIN_GCC_GIT
 config ADK_TOOLCHAIN_GCC_7
 	bool "7.1.0"
 	depends on !ADK_TARGET_ARCH_AVR32
-	depends on !ADK_TARGET_ARCH_CRIS
 	depends on !ADK_TARGET_ARCH_METAG
 	depends on !ADK_TARGET_ARCH_NDS32
 	depends on !ADK_TARGET_ARCH_OR1K