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/MAINTAINERS b/MAINTAINERS
index 3e8e193..d9c959b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -646,6 +646,7 @@
 F:	drivers/sysreset/sysreset-ti-sci.c
 F:	drivers/thermal/ti-bandgap.c
 F:	drivers/timer/omap-timer.c
+F:	drivers/video/tidss/
 F:	drivers/watchdog/omap_wdt.c
 F:	include/linux/pruss_driver.h
 F:	include/linux/soc/ti/