soc/mediatek: Add EARLY_INIT_PCIE_RESET to early_init_type

Add EARLY_INIT_PCIE_RESET for early PERST# de-assertion.

BUG=b:361728592
TEST=emerge-cherry coreboot

Change-Id: I7ab85694e85a4c3f77fefc22efe16734c347a716
Signed-off-by: Yidi Lin <yidilin@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84116
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Yu-Ping Wu <yupingso@google.com>
Reviewed-by: Jianjun Wang <jianjun.wang@mediatek.com>

src/soc/mediatek/common/include/soc/early_init.h

@@ -12,6 +12,7 @@ DECLARE_REGION(early_init_data);
 
 enum early_init_type {
 	EARLY_INIT_PCIE,
+	EARLY_INIT_PCIE_RESET,
 	EARLY_INIT_MAX,
 };