soc: LPC54xxx, LPC55xxx: Update to use clock control

Use the clock control driver to get flexcomm clock
frequency

Signed-off-by: Mahesh Mahadevan <mahesh.mahadevan@nxp.com>

soc/arm/nxp_lpc/Kconfig.defconfig

@@ -10,3 +10,7 @@ config I2C_MCUX_FLEXCOMM
 config SPI_MCUX_FLEXCOMM
 	default y if HAS_MCUX_FLEXCOMM
 	depends on SPI
+
+config CLOCK_CONTROL_MCUX_SYSCON
+	default y if HAS_MCUX_SYSCON
+	depends on CLOCK_CONTROL

soc/arm/nxp_lpc/lpc54xxx/Kconfig.series

@@ -8,6 +8,7 @@ config SOC_SERIES_LPC54XXX
 	select ARM
 	select HAS_MCUX
 	select HAS_MCUX_FLEXCOMM
+	select HAS_MCUX_SYSCON
 	select SOC_FAMILY_LPC
 	select CPU_CORTEX_M_HAS_SYSTICK
 	help

soc/arm/nxp_lpc/lpc54xxx/Kconfig.soc

@@ -13,11 +13,13 @@ config SOC_LPC54114_M4
 	select CPU_CORTEX_M_HAS_DWT
 	select CPU_HAS_ARM_MPU
 	select PLATFORM_SPECIFIC_INIT
+	select CLOCK_CONTROL
 
 config SOC_LPC54114_M0
 	bool "SOC_LPC54114_M0"
 	select CPU_CORTEX_M0PLUS
 	select CPU_CORTEX_M_HAS_VTOR
+	select CLOCK_CONTROL
 
 endchoice
 

soc/arm/nxp_lpc/lpc55xxx/Kconfig.series

@@ -8,6 +8,7 @@ config SOC_SERIES_LPC55XXX
 	select ARM
 	select HAS_MCUX
 	select HAS_MCUX_FLEXCOMM
+	select HAS_MCUX_SYSCON
 	select HAS_MCUX_RNG
 	select HAS_MCUX_WWDT
 	select SOC_FAMILY_LPC

soc/arm/nxp_lpc/lpc55xxx/Kconfig.soc

@@ -15,6 +15,7 @@ config SOC_LPC55S16
 	select CPU_HAS_FPU
 	select ARMV8_M_DSP
 	select ARM_TRUSTZONE_M
+	select CLOCK_CONTROL
 	select HAS_MCUX_IAP if !TRUSTED_EXECUTION_NONSECURE
 
 config SOC_LPC55S69_CPU0
@@ -25,6 +26,7 @@ config SOC_LPC55S69_CPU0
 	select CPU_HAS_FPU
 	select ARMV8_M_DSP
 	select ARM_TRUSTZONE_M
+	select CLOCK_CONTROL
 	select HAS_MCUX_IAP
 	select HAS_MCUX_LPADC