修改imx307 0x3007寄存器，使能水平翻转功能。
--- a/drivers/media/i2c/imx307.c
+++ b/drivers/media/i2c/imx307.c
@@ -214,7 +214,7 @@ static const struct regval imx307_linear_1920x1080_30fps_lvds_regs[] = {
{0x3001, 0x00},
{0x3002, 0x01},
{0x3005, 0x00},
- {0x3007, 0x00},
+ {0x3007, 0x02},