drm/msm: rearrange symbol selection

Move symbol selection to be more fine grained: select DP helpers only if
DP driver is also enabled, move KMS and display helpers to the newly
introduced DRM_MSM_KMS.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Patchwork: https://patchwork.freedesktop.org/patch/662589/
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>

Author: lumag

drivers/gpu/drm/msm/Kconfig

@@ -15,19 +15,9 @@ config DRM_MSM
 	select IOMMU_IO_PGTABLE
 	select QCOM_MDT_LOADER if ARCH_QCOM
 	select REGULATOR
-	select DRM_CLIENT_SELECTION
-	select DRM_DISPLAY_DP_AUX_BUS
-	select DRM_DISPLAY_DP_HELPER
-	select DRM_DISPLAY_HELPER
-	select DRM_BRIDGE_CONNECTOR
 	select DRM_EXEC
 	select DRM_GPUVM
-	select DRM_KMS_HELPER
-	select DRM_PANEL
-	select DRM_BRIDGE
-	select DRM_PANEL_BRIDGE
 	select DRM_SCHED
-	select FB_SYSMEM_HELPERS if DRM_FBDEV_EMULATION
 	select SHMEM
 	select TMPFS
 	select QCOM_SCM
@@ -71,10 +61,18 @@ config DRM_MSM_VALIDATE_XML
 config DRM_MSM_KMS
 	def_bool n
 	depends on DRM_MSM
+	select DRM_BRIDGE
+	select DRM_BRIDGE_CONNECTOR
+	select DRM_CLIENT_SELECTION
+	select DRM_DISPLAY_HELPER
+	select DRM_KMS_HELPER
+	select DRM_PANEL
+	select DRM_PANEL_BRIDGE
 
 config DRM_MSM_KMS_FBDEV
 	def_bool DRM_FBDEV_EMULATION
 	depends on DRM_MSM_KMS
+	select FB_SYSMEM_HELPERS
 
 config DRM_MSM_MDSS
 	bool
@@ -120,6 +118,8 @@ config DRM_MSM_DP
 	depends on DRM_MSM_KMS
 	select DRM_DISPLAY_HDMI_AUDIO_HELPER
 	select RATIONAL
+	select DRM_DISPLAY_DP_AUX_BUS
+	select DRM_DISPLAY_DP_HELPER
 	default y
 	help
 	  Compile in support for DP driver in MSM DRM driver. DP external