arm64: defconfig: enable STM32 LP timer clockevent driver

Enable the STM32 LP timer MFD core and clockevent drivers used on
STM32MP257F-EV1 board, for PSCI OSI.

Signed-off-by: Fabrice Gasnier <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Alexandre Torgue <[email protected]>

Author: Fabrice Gasnier

arch/arm64/configs/defconfig

@@ -777,6 +777,7 @@ CONFIG_MFD_TI_LP873X=m
 CONFIG_MFD_TPS65219=y
 CONFIG_MFD_TPS6594_I2C=m
 CONFIG_MFD_ROHM_BD718XX=y
+CONFIG_MFD_STM32_LPTIMER=m
 CONFIG_MFD_WCD934X=m
 CONFIG_MFD_KHADAS_MCU=m
 CONFIG_REGULATOR_FIXED_VOLTAGE=y
@@ -1414,6 +1415,7 @@ CONFIG_CLK_RENESAS_VBATTB=m
 CONFIG_HWSPINLOCK=y
 CONFIG_HWSPINLOCK_QCOM=y
 CONFIG_TEGRA186_TIMER=y
+CONFIG_CLKSRC_STM32_LP=y
 CONFIG_RENESAS_OSTM=y
 CONFIG_ARM_MHU=y
 CONFIG_IMX_MBOX=y