imx8mq: gpc: correct ARM power down request register offset

The GPC_CPU_PGC_SW_PDN_REQ offset should be 0xfc, previous
offset is incorrect, so actually ARM core is NOT powered
down and the power leakage is very high.

With this fix, each ARM core's leakage is about 25mA@0.9V.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
(cherry picked from commit a9795cd37bcece4cc4b559e4fa0a5f4af088a8c1)
1 file changed