SoC s7d : saradc : support saradc [1/1]

PD#SWPL-163676

Problem:
S7D Silicon Bringup.

Solution:
Add a new SARADC driver.

Verify:
S7D/BM201

Change-Id: Iab1d5ba729bdbdda250327e7bb40c109ceb1b5a7
Signed-off-by: Huqiang Qin <huqiang.qin@amlogic.com>
1 file changed