defconfig: sdm670: enable LT9611 bridge driver

Enable the LT9611 bridge driver for sdm670.

CRs-Fixed: 2140653
Change-Id: I046505b1b0a9fce02ac6879429b8d380d4ea5651
Signed-off-by: Ray Zhang <rayz@codeaurora.org>
diff --git a/arch/arm64/configs/sdm670_defconfig b/arch/arm64/configs/sdm670_defconfig
index 8022e88..16cda0b 100644
--- a/arch/arm64/configs/sdm670_defconfig
+++ b/arch/arm64/configs/sdm670_defconfig
@@ -384,6 +384,7 @@
 CONFIG_DRM=y
 CONFIG_DRM_SDE_EVTLOG_DEBUG=y
 CONFIG_DRM_SDE_RSC=y
+CONFIG_DRM_LT_LT9611=y
 CONFIG_FB_VIRTUAL=y
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
 CONFIG_BACKLIGHT_CLASS_DEVICE=y