[PATCH 3/4] serial: lpuart: Enable IPG clock

> From: Ye Li > Current codes only ennable the PER clock. However on iMX8 the LPUART > also needs IPG clock which is an LPCG. Should not depend on the default > LPCG setting. > Signed-off-by: Ye Li > Reviewed-by: Peng Fan > Signed-off-by: Sébastien Szymanski Applied to u-boot-imx, master, thank

[PATCH 3/4] serial: lpuart: Enable IPG clock

From: Ye Li Current codes only ennable the PER clock. However on iMX8 the LPUART also needs IPG clock which is an LPCG. Should not depend on the default LPCG setting. Signed-off-by: Ye Li Reviewed-by: Peng Fan Signed-off-by: Sébastien Szymanski --- This commit comes from downstream U-Boot: h