configs: add CONFIG_DEV_DAX_KMEM

Add CONFIG_DEV_DAX_KMEM and make some related configs as Y.
Signed-off-by: NYang Shi <yang.shi@linux.alibaba.com>
Reviewed-by: NGavin Shan <shan.gavin@linux.alibaba.com>

config-4.19.y-x86_64

@@ -3329,7 +3329,7 @@ CONFIG_RAS_CEC=y
 # CONFIG_ANDROID is not set
 CONFIG_LIBNVDIMM=y
 CONFIG_BLK_DEV_PMEM=y
-CONFIG_ND_BLK=y
+CONFIG_ND_BLK=m
 CONFIG_ND_CLAIM=y
 CONFIG_ND_BTT=y
 CONFIG_BTT=y
@@ -3339,8 +3339,9 @@ CONFIG_NVDIMM_DAX=y
 CONFIG_DAX_DRIVER=y
 CONFIG_DAX=y
 CONFIG_DEV_DAX=y
-CONFIG_DEV_DAX_PMEM=m
-# CONFIG_NVMEM is not set
+CONFIG_DEV_DAX_PMEM=y
+CONFIG_DEV_DAX_KMEM=y
+CONFIG_NVMEM=y
 
 #
 # HW tracing support

config-4.19.y-x86_64-debug

@@ -3332,7 +3332,7 @@ CONFIG_RAS_CEC=y
 # CONFIG_ANDROID is not set
 CONFIG_LIBNVDIMM=y
 CONFIG_BLK_DEV_PMEM=y
-CONFIG_ND_BLK=y
+CONFIG_ND_BLK=m
 CONFIG_ND_CLAIM=y
 CONFIG_ND_BTT=y
 CONFIG_BTT=y
@@ -3342,8 +3342,9 @@ CONFIG_NVDIMM_DAX=y
 CONFIG_DAX_DRIVER=y
 CONFIG_DAX=y
 CONFIG_DEV_DAX=y
-CONFIG_DEV_DAX_PMEM=m
-# CONFIG_NVMEM is not set
+CONFIG_DEV_DAX_PMEM=y
+CONFIG_DEV_DAX_KMEM=y
+CONFIG_NVMEM=y
 
 #
 # HW tracing support