pmem: Enable legacy pmem on openEuler

hulk inclusion
category: feature
bugzilla: 48159
CVE: NA

------------------------------

Enable legacy pmem on openEuler defconfig both
arm64 and x86

Signed-off-by: ZhuLing <zhuling8(a)huawei.com>
Signed-off-by: Sang Yan <sangyan(a)huawei.com>
Acked-by: Hanjun Guo <guohanjun(a)huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

arch/arm64/configs/openeuler_defconfig

@@ -275,6 +275,8 @@ CONFIG_PGTABLE_LEVELS=3
 CONFIG_ARCH_SUPPORTS_UPROBES=y
 CONFIG_ARCH_PROC_KCORE_TEXT=y
 CONFIG_ARM64_CPU_PARK=y
+CONFIG_ARM64_PMEM_RESERVE=y
+CONFIG_ARM64_PMEM_LEGACY_DEVICE=y
 
 #
 # Platform selection
@@ -6001,6 +6003,7 @@ CONFIG_ND_BTT=m
 CONFIG_BTT=y
 CONFIG_OF_PMEM=m
 CONFIG_NVDIMM_KEYS=y
+CONFIG_PMEM_LEGACY=m
 CONFIG_DAX_DRIVER=y
 CONFIG_DAX=y
 CONFIG_DEV_DAX=m

arch/x86/configs/openeuler_defconfig

@@ -7373,6 +7373,7 @@ CONFIG_NVDIMM_PFN=y
 CONFIG_NVDIMM_DAX=y
 CONFIG_OF_PMEM=m
 CONFIG_NVDIMM_KEYS=y
+CONFIG_PMEM_LEGACY=m
 CONFIG_DAX_DRIVER=y
 CONFIG_DAX=y
 CONFIG_DEV_DAX=m