gpio: txhd2: support gpio/pinmux/irq [1/3]

PD#SWPL-119879

Problem:
TXHD2 PxP Bringup.

Solution:
TXHD2 PxP Bringup.

Verify:
PTM

Change-Id: I8dc54fbe9aa5acf488a3c9d8c2a9c9db3dc12ce3
Signed-off-by: Huqiang Qin <huqiang.qin@amlogic.com>
1 file changed