defconfig: msm: enable REGMAP debugfs writes for MSM8953

Enable regmap debugfs writes, this allows userspace to update
register values exposed via regmap debugfs.

Change-Id: I614fcb4e0117134be12752e8bf5dfd38c094df73
Signed-off-by: Ashay Jaiswal <ashayj@codeaurora.org>
diff --git a/arch/arm64/configs/msm8953_defconfig b/arch/arm64/configs/msm8953_defconfig
index f6e49cd..6821d72 100644
--- a/arch/arm64/configs/msm8953_defconfig
+++ b/arch/arm64/configs/msm8953_defconfig
@@ -240,6 +240,7 @@
 CONFIG_IPC_ROUTER=y
 CONFIG_IPC_ROUTER_SECURITY=y
 CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y
+CONFIG_REGMAP_ALLOW_WRITE_DEBUGFS=y
 CONFIG_DMA_CMA=y
 CONFIG_ZRAM=y
 CONFIG_BLK_DEV_LOOP=y