wil6210: add new register region for AGC table

New register area defined in the firmware

Change-Id: Id49e4b56a990beaee6330512934f6348757203c2
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Git-commit: 72269146afabf1656f867f715f40a7dd470499fb
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git


Signed-off-by: Hamad Kadmany <hkadmany@codeaurora.org>