configs: am62x: Add splashscreen prune config fragment

Add config fragment to disable splashscreen. This is especially useful
for platforms such as AM62P as splash needs to be disabled while using
TI-DM firmware with display sharing feature enabled.

Signed-off-by: Devarsh Thakkar <devarsht@ti.com>
Signed-off-by: Swamil Jain <s-jain1@ti.com>
Reviewed-by: Neha Malcom Francis <n-francis@ti.com>

configs/am62x_evm_prune_splashscreen.config

@@ -0,0 +1,16 @@
+CONFIG_FDT_SIMPLEFB=n
+CONFIG_VIDEO=n
+CONFIG_SYS_WHITE_ON_BLACK=n
+CONFIG_SPL_VIDEO_TIDSS=n
+CONFIG_BMP_24BPP=n
+CONFIG_BMP_32BPP=n
+CONFIG_SPL_VIDEO=n
+CONFIG_SPL_SPLASH_SCREEN=n
+CONFIG_SPL_SYS_WHITE_ON_BLACK=n
+CONFIG_SPL_SPLASH_SCREEN_ALIGN=n
+CONFIG_SPL_SPLASH_SOURCE=n
+CONFIG_SPL_BMP=n
+CONFIG_SPL_VIDEO_BMP_GZIP=n
+CONFIG_SPL_BMP_24BPP=n
+CONFIG_SPL_BMP_32BPP=n
+CONFIG_SPL_HIDE_LOGO_VERSION=n