Revert "defconfig: arm64: Disable DEVMEM and DEVKMEM for sdm845"

This reverts commit daf3939943de58f542e90803a63c21e8535a7d81.

Official VTS testing uses performance builds, so this change
is not necessary.  And it negatively impacts some testing
teams.  Therefore revert this config change.

CRs-Fixed: 2135035
Change-Id: I8dc6db37d2fb453b799c081a4b6e6eca92cfe471
Signed-off-by: Bruce Levy <blevy@codeaurora.org>
diff --git a/arch/arm64/configs/sdm845_defconfig b/arch/arm64/configs/sdm845_defconfig
index a2a9c12..6d2bf86 100644
--- a/arch/arm64/configs/sdm845_defconfig
+++ b/arch/arm64/configs/sdm845_defconfig
@@ -301,8 +301,6 @@
 # CONFIG_SERIO_SERPORT is not set
 # CONFIG_VT is not set
 # CONFIG_LEGACY_PTYS is not set
-# CONFIG_DEVMEM is not set
-# CONFIG_DEVKMEM is not set
 CONFIG_SERIAL_MSM_GENI=y
 CONFIG_SERIAL_MSM_GENI_CONSOLE=y
 CONFIG_DIAG_CHAR=y