feat(plat/mediatek/mt8195): add EMI MPU surppot for SCP and DSP

1. Enable domain D0 and D3 (SCP) access 0x50000000~0x51400000.
2. Enable domain D4 (DSP & AFE) access 0x60000000~0x610FFFFF.

BUG=b:204347737
TEST=build pass

Signed-off-by: Tinghan Shen <tinghan.shen@mediatek.com>
Signed-off-by: Trevor Wu <trevor.wu@mediatek.com>
Change-Id: I7c9f8490b8898008ba6844c34c9e80caa6066cbc