clk: stm32mp1: add IPCC clock

Add support for enable/disable of IPCC clock using AHB3 registers

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
diff --git a/drivers/clk/clk_stm32mp1.c b/drivers/clk/clk_stm32mp1.c
index 88f453c..a2ab5ed 100644
--- a/drivers/clk/clk_stm32mp1.c
+++ b/drivers/clk/clk_stm32mp1.c
@@ -536,6 +536,7 @@
 	STM32MP1_CLK_SET_CLR(RCC_MP_AHB2ENSETR, 16, SDMMC3_K, _SDMMC3_SEL),
 
 	STM32MP1_CLK_SET_CLR(RCC_MP_AHB3ENSETR, 11, HSEM, _UNKNOWN_SEL),
+	STM32MP1_CLK_SET_CLR(RCC_MP_AHB3ENSETR, 12, IPCC, _UNKNOWN_SEL),
 
 	STM32MP1_CLK_SET_CLR(RCC_MP_AHB4ENSETR, 0, GPIOA, _UNKNOWN_SEL),
 	STM32MP1_CLK_SET_CLR(RCC_MP_AHB4ENSETR, 1, GPIOB, _UNKNOWN_SEL),