disp: msm: enable SDE RSC driver compilation

Enable and export configs to support SDE RSC.

Change-Id: Ia0946a65324e1995bfb448e702a03b4dcc99d678
Signed-off-by: Steve Cohen <cohens@codeaurora.org>

config/lahainadisp.conf

@@ -8,4 +8,5 @@ export CONFIG_DSI_PARSER=y
 export CONFIG_DRM_SDE_WB=y
 export CONFIG_DRM_MSM_REGISTER_LOGGING=y
 export CONFIG_QCOM_MDSS_PLL=y
+export CONFIG_DRM_SDE_RSC=y
 endif

config/lahainadispconf.h

@@ -13,4 +13,5 @@
 #define CONFIG_DRM_MSM_REGISTER_LOGGING 1
 #define CONFIG_DRM_SDE_EVTLOG_DEBUG 1
 #define CONFIG_QCOM_MDSS_PLL 1
+#define CONFIG_DRM_SDE_RSC 1