xtensa: use latest binutils/gcc

target/config/Config.in.binutils

@@ -5,10 +5,10 @@ choice
 prompt "Binutils version"
 default ADK_TOOLCHAIN_BINUTILS_2_20_1 if ADK_TARGET_ARCH_AVR32
 default ADK_TOOLCHAIN_BINUTILS_2_23_ARC if ADK_TARGET_ARCH_ARC
-default ADK_TOOLCHAIN_BINUTILS_2_26 if ADK_TARGET_ARCH_XTENSA && ADK_TARGET_WITHOUT_MMU
 default ADK_TOOLCHAIN_BINUTILS_2_26 if ADK_TARGET_ARCH_BFIN
 default ADK_TOOLCHAIN_BINUTILS_2_26 if ADK_TARGET_ARCH_H8300
 default ADK_TOOLCHAIN_BINUTILS_2_26 if ADK_TARGET_ARCH_MOXIE
+default ADK_TOOLCHAIN_BINUTILS_GIT if ADK_TARGET_ARCH_XTENSA
 default ADK_TOOLCHAIN_BINUTILS_2_25_1
 
 config ADK_TOOLCHAIN_BINUTILS_GIT

target/config/Config.in.gcc

@@ -10,7 +10,7 @@ default ADK_TOOLCHAIN_GCC_4_9_3 if ADK_TARGET_LIB_GLIBC && ADK_TARGET_ARCH_SH
 default ADK_TOOLCHAIN_GCC_4_9_3 if ADK_TARGET_SYSTEM_KINETIS_K70
 default ADK_TOOLCHAIN_GCC_4_8_ARC if ADK_TARGET_ARCH_ARC
 default ADK_TOOLCHAIN_GCC_5_3_OR1K if ADK_TARGET_ARCH_OR1K
-default ADK_TOOLCHAIN_GCC_GIT if ADK_TARGET_WITHOUT_MMU && ADK_TARGET_ARCH_XTENSA
+default ADK_TOOLCHAIN_GCC_GIT if ADK_TARGET_ARCH_XTENSA
 default ADK_TOOLCHAIN_GCC_5_3_0
 
 config ADK_TOOLCHAIN_GCC_GIT