cmake: Remove unused CMake variables MACHINE and PROJECT_MACHINE

These were used when this repo contained machine specific examples.
With those moved to the openamp-system-reference project, these CMake
variables are now unused. Remove them.

Signed-off-by: Andrew Davis <afd@ti.com>

Author: glneo

cmake/options.cmake

@@ -31,26 +31,14 @@ message ("-- Host:    ${_host}")
 set (_target "${CMAKE_SYSTEM_NAME}/${CMAKE_SYSTEM_PROCESSOR}")
 message ("-- Target:  ${_target}")
 
-if (NOT DEFINED MACHINE)
-  set (MACHINE "Generic")
-endif (NOT DEFINED MACHINE)
-message ("-- Machine: ${MACHINE}")
-
 string (TOLOWER ${CMAKE_SYSTEM_NAME}      PROJECT_SYSTEM)
 string (TOUPPER ${CMAKE_SYSTEM_NAME}      PROJECT_SYSTEM_UPPER)
 string (TOLOWER ${CMAKE_SYSTEM_PROCESSOR} PROJECT_PROCESSOR)
 string (TOUPPER ${CMAKE_SYSTEM_PROCESSOR} PROJECT_PROCESSOR_UPPER)
-string (TOLOWER ${MACHINE}                PROJECT_MACHINE)
-string (TOUPPER ${MACHINE}                PROJECT_MACHINE_UPPER)
 
 # Select which components are in the openamp lib
 option (WITH_PROXY          "Build with proxy(access device controlled by other processor)" ON)
 
-# LOAD_FW only allowed for R5, otherwise turn off
-if (NOT ${MACHINE} STREQUAL "zynqmp_r5")
- set (WITH_LOAD_FW OFF)
-endif(NOT ${MACHINE} STREQUAL "zynqmp_r5")
-
 option (WITH_VIRTIO_DRIVER "Build with virtio driver (front end)  enabled" ON)
 option (WITH_VIRTIO_DEVICE "Build with virtio device (back end)  enabled" ON)
 

cmake/platforms/zynqmp_linux.cmake

@@ -1,5 +1,4 @@
 set (CMAKE_SYSTEM_PROCESSOR "arm64")
 set (CROSS_PREFIX           "aarch64-linux-gnu-")
-set (MACHINE                "zynqmp" CACHE STRING "")
 
 include (cross_linux_gcc)

cmake/platforms/zynqmp_r5_generic.cmake

@@ -1,5 +1,4 @@
 set (CMAKE_SYSTEM_PROCESSOR "arm" CACHE STRING "")
-set (MACHINE                "zynqmp_r5" CACHE STRING "")
 set (CROSS_PREFIX           "armr5-none-eabi-" CACHE STRING "")
 
 # Xilinx SDK version earlier than 2017.2 use mfloat-abi=soft by default to generate libxil

cmake/syscheck.cmake

@@ -7,7 +7,4 @@ if (WITH_ZEPHYR)
   if (NOT WITH_ZEPHYR_LIB)
     include($ENV{ZEPHYR_BASE}/cmake/app/boilerplate.cmake NO_POLICY_SCOPE)
   endif ()
-  if (CONFIG_CPU_CORTEX_M)
-    set (MACHINE "cortexm" CACHE STRING "")
-  endif (CONFIG_CPU_CORTEX_M)
 endif (WITH_ZEPHYR)