[S] Change in coreboot[master]: soc/mediatek/mt8188: Remove the GPIO setting of USB1_DRV_VBUS

[Rex-BC Chen (Code Review)]

Rex-BC Chen has submitted this change. ( https://review.coreboot.org/c/coreboot/+/72641 )

Change subject: soc/mediatek/mt8188: Remove the GPIO setting of USB1_DRV_VBUS
......................................................................

soc/mediatek/mt8188: Remove the GPIO setting of USB1_DRV_VBUS

USB1_DRV_VBUS is used to provide 5V power for USB on MT8188 EVB and it's
not used on Geralt. Therefore, remove the GPIO setting of USB1_DRV_VBUS.

TEST=read usb data successfully.
BUG=b:236331724

Change-Id: Iffea7b288c83c81648d4c7ca30d2f0961f9853ff
Signed-off-by: Liju-Clr Chen 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/72641
Reviewed-by: Rex-BC Chen 
Reviewed-by: Yidi Lin 
Reviewed-by: Yu-Ping Wu 
Tested-by: build bot (Jenkins) 
---
M src/soc/mediatek/mt8188/usb.c
1 file changed, 21 insertions(+), 3 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Yu-Ping Wu: Looks good to me, approved
  Yidi Lin: Looks good to me, but someone else must approve
  Rex-BC Chen: Looks good to me, but someone else must approve

diff --git a/src/soc/mediatek/mt8188/usb.c b/src/soc/mediatek/mt8188/usb.c
index 6c575cf..2312e2d 100644
--- a/src/soc/mediatek/mt8188/usb.c
+++ b/src/soc/mediatek/mt8188/usb.c
@@ -14,7 +14,4 @@
 void mtk_usb_prepare(void)
 {
    mt_pll_set_usb_clock();
-
-	/* usb drvvbus for 5v power */
-	gpio_output(GPIO(USB1_DRV_VBUS), 1);
 }