configs: enable config of X86_PAT for nvidia driver

The following errors are showing up when compiling nvidia driver:

/home/builder/rpmbuild/BUILD/gpu_src/kernel/nvidia/nv-pat.c: In function 'nv_disable_caches':
/home/builder/rpmbuild/BUILD/gpu_src/kernel/nvidia/nv-pat.c:66:5: error: implicit declaration of function '__flush_tlb'; did you
 mean '__flush_tlb_all'? [-Werror=implicit-function-declaration]
   66 |     __flush_tlb();
      |     ^~~~~~~~~~~
      |     __flush_tlb_all
cc1: some warnings being treated as errors

Solve these issues by:
enable CONFIG_X86_PAT

Signed-off-by: Zeng Jingxiang <linuszeng@tencent.com>

dist/configs/00base/eks/default.config

@@ -59,7 +59,8 @@ CONFIG_PERF_EVENTS_AMD_POWER=y
 CONFIG_X86_MSR=y
 CONFIG_X86_CPUID=y
 CONFIG_NUMA=y
-# CONFIG_MTRR is not set
+CONFIG_MTRR=y
+CONFIG_X86_PAT=y
 CONFIG_EFI=y
 CONFIG_EFI_STUB=y
 # CONFIG_RANDOMIZE_BASE is not set