refactor(stm32mp1_clk): update RCC registers file

The file is first generated with the peripheral spirit XML file.
And then we add some common definition, to ease driver development.

Change-Id: I4c222cf006caf27cda6da044eaf184ce66bb1442
Signed-off-by: Yann Gautier <yann.gautier@foss.st.com>
diff --git a/drivers/st/clk/stm32mp1_clk.c b/drivers/st/clk/stm32mp1_clk.c
index 101aa6b..80b6408 100644
--- a/drivers/st/clk/stm32mp1_clk.c
+++ b/drivers/st/clk/stm32mp1_clk.c
@@ -108,7 +108,7 @@
 	_USBPHY_SEL,
 	_USBO_SEL,
 	_MPU_SEL,
-	_PER_SEL,
+	_CKPER_SEL,
 	_RTC_SEL,
 	_PARENT_SEL_NB,
 	_UNKNOWN_SEL = 0xff,
@@ -504,7 +504,7 @@
 	_CLK_PARENT_SEL(UART1, RCC_UART1CKSELR, usart1_parents),
 	_CLK_PARENT_SEL(RNG1, RCC_RNG1CKSELR, rng1_parents),
 	_CLK_PARENT_SEL(MPU, RCC_MPCKSELR, mpu_parents),
-	_CLK_PARENT_SEL(PER, RCC_CPERCKSELR, per_parents),
+	_CLK_PARENT_SEL(CKPER, RCC_CPERCKSELR, per_parents),
 	_CLK_PARENT_SEL(RTC, RCC_BDCR, rtc_parents),
 	_CLK_PARENT_SEL(UART6, RCC_UART6CKSELR, uart6_parents),
 	_CLK_PARENT_SEL(UART24, RCC_UART24CKSELR, uart234578_parents),