Arm: tegra: grouper: replaced "kai" with "grouper" everywhere

This should fix potential dum woopsies
touch: Radyium: Move panel config structures to board files.
touch: Raydium: Remove hex blob data structures from board files.
ARM: tegra: move uart debug port initialization into common file.

There is lots of duplicate code for initializing
the debug port for all platform.
Move this to board-common file so that duplicate code
can be avoided.

Completed for grouper also. Hopefully all these new includes
will mean reduced errors.
arm: tegra: grouper: supply device name for regulator

Supply the appropriate device name for battery charging regulator