drivers: video: tidss: TIDSS video driver support for AM62x

Added tidss video driver support which enables display
on oldi panel using AM62x, it creates a simple pipeline
framebuffer==>vidl1==>ovr1==>vp1==>oldi_panel and
calculates clock rates for panel from panel node in
device tree.

To compile TIDSS when user sets CONFIG_VIDEO_TIDSS
add rule in Makefile. Include tidss folder location
in Kconfig.

TIDSS is ported from linux kernel version 5.10.145

Signed-off-by: Nikhil M Jain <n-jain1@ti.com>
diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index e08b7a7..2a76d19 100644
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -636,6 +636,8 @@
 
 source "drivers/video/stm32/Kconfig"
 
+source "drivers/video/tidss/Kconfig"
+
 config VIDEO_TEGRA20
 	bool "Enable LCD support on Tegra20"
 	depends on OF_CONTROL