xtensa: use SOC_TOOLCHAIN_NAME instead of SOC_NAME

The toolchain variant is not always the same as the SoC name, so set
this based on what the SoC defines instead.

Also see zephyrproject-rtos/zephyr#29664

Signed-off-by: Anas Nashif <[email protected]>

Author: nashif

cmake/zephyr/target.cmake

@@ -16,8 +16,8 @@ set(CROSS_COMPILE_TARGET ${CROSS_COMPILE_TARGET_${ARCH}})
 set(SYSROOT_TARGET       ${CROSS_COMPILE_TARGET})
 
 if("${ARCH}" STREQUAL "xtensa")
-  set(SYSROOT_DIR ${TOOLCHAIN_HOME}/xtensa/${SOC_NAME}/${SYSROOT_TARGET})
-  set(CROSS_COMPILE ${TOOLCHAIN_HOME}/xtensa/${SOC_NAME}/${CROSS_COMPILE_TARGET}/bin/${CROSS_COMPILE_TARGET}-)
+  set(SYSROOT_DIR ${TOOLCHAIN_HOME}/xtensa/${SOC_TOOLCHAIN_NAME}/${SYSROOT_TARGET})
+  set(CROSS_COMPILE ${TOOLCHAIN_HOME}/xtensa/${SOC_TOOLCHAIN_NAME}/${CROSS_COMPILE_TARGET}/bin/${CROSS_COMPILE_TARGET}-)
 else()
   set(SYSROOT_DIR   ${TOOLCHAIN_HOME}/${SYSROOT_TARGET}/${SYSROOT_TARGET})
   set(CROSS_COMPILE ${TOOLCHAIN_HOME}/${CROSS_COMPILE_TARGET}/bin/${CROSS_COMPILE_TARGET}-)