board: Kconfig: Re-Arrangement of PPA firmware and header addresses

PPA firmware and header address may vary depending upon different
boards, configure ppa firmware and header address in board specific
Kconfig.

Signed-off-by: Vinitha V Pillai <vinitha.pillai@nxp.com>
Signed-off-by: Jagdish Gediya <jagdish.gediya@nxp.com>
Signed-off-by: Bhaskar Upadhaya <Bhaskar.Upadhaya@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>