build: bump minimum Linux kernel headers version to 5.4
opae-sdk requires [1] IOVA range capability support [2] added in Linux 5.4.
[1]
[2]
@@ -208,7 +208,7 @@ if (OPAE_BUILD_LIBOPAEVFIO)
set(PLATFORM_SUPPORTS_VFIO FALSE CACHE BOOL "Platform supports vfio driver" FORCE)
message(WARNING
"Could not compile VFIO.
- This most likely means that kernel( version >= 4.6) headers aren't installed.
+ This most likely means that kernel( version >= 5.4) headers aren't installed.
See errors in platform_vfio_errors.txt")
file(WRITE ${CMAKE_BINARY_DIR}/platform_vfio_errors.txt ${TRY_COMPILE_OUTPUT})
endif(VFIO_CHECK)
