Need full path for linker too

Author: BujSet

examples/arm/ethos-u-setup/arm-zephyr-eabi-gcc.cmake

@@ -29,7 +29,7 @@ set(CMAKE_SYSTEM_NAME Generic)
 set(CMAKE_C_COMPILER "/home/zephyruser/zephyr-sdk-0.16.0/arm-zephyr-eabi/bin/arm-zephyr-eabi-gcc")
 set(CMAKE_CXX_COMPILER "/home/zephyruser/zephyr-sdk-0.16.0/arm-zephyr-eabi/bin/arm-zephyr-eabi-g++")
 set(CMAKE_ASM_COMPILER "/home/zephyruser/zephyr-sdk-0.16.0/arm-zephyr-eabi/bin/arm-zephyr-eabi-gcc")
-set(CMAKE_LINKER "arm-zephyr-eabi-ld")
+set(CMAKE_LINKER "/home/zephyruser/zephyr-sdk-0.16.0/arm-zephyr-eabi/bin/arm-zephyr-eabi-ld")
 
 set(CMAKE_EXECUTABLE_SUFFIX ".elf")
 set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)