[LFI] Update compiler-rt cmake for LFI

Author: zyedidia

compiler-rt/cmake/builtin-config-ix.cmake

@@ -78,7 +78,7 @@ else()
 endif()
 
 set(AMDGPU amdgcn)
-set(ARM64 aarch64 arm64ec)
+set(ARM64 aarch64 arm64ec aarch64_lfi)
 set(ARM32 arm armhf armv4t armv5te armv6 armv6m armv7m armv7em armv7 armv7s armv7k armv8m.base armv8m.main armv8.1m.main)
 set(AVR avr)
 set(HEXAGON hexagon)

compiler-rt/lib/builtins/CMakeLists.txt

@@ -692,6 +692,7 @@ set(arm64_SOURCES ${aarch64_SOURCES})
 set(arm64e_SOURCES ${aarch64_SOURCES})
 set(arm64_32_SOURCES ${aarch64_SOURCES})
 set(arm64ec_SOURCES ${aarch64_SOURCES})
+set(aarch64_lfi_SOURCES ${aarch64_SOURCES})
 
 # macho_embedded archs
 set(armv6m_SOURCES ${thumb1_SOURCES})