soc/mediatek/mt8196: Add audio base address definition

Add audio base address definition.

TEST=build pass
BUG=b:357969183

Change-Id: I07d272fddfe50e73adc6f4c7d401f3391b0c145d
Signed-off-by: Darren Ye <darren.ye@mediatek.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/85361
Reviewed-by: Yidi Lin <yidilin@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>

src/soc/mediatek/mt8196/include/soc/addressmap.h

@@ -139,6 +139,7 @@ enum {
 	UFSHCI_BASE		= IO_PHYS + 0x06810000,
 	SSR_TOP_BASE		= IO_PHYS + 0x08000000,
 	APINFRA_SSR_AO_DEBUG_BASE	= IO_PHYS + 0x080F1000,
+	AUDIO_BASE		= IO_PHYS + 0x0A110000,
 	VLPCFG_BASE		= IO_PHYS + 0x0C001000,
 	SCP_BASE		= IO_PHYS + 0x0C004000,
 	SCP_PBUS_BASE		= IO_PHYS + 0x0C00D000,