MAINTAINERS: Update STM32MP fragments

Add new drivers
Add Christophe Kerello and myself as maintainers

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>

MAINTAINERS

@@ -228,11 +228,21 @@ F:	arch/arm/include/asm/arch-spear/
 
 ARM STM STM32MP
 M:	Patrick Delaunay <patrick.delaunay@st.com>
+M:	Christophe Kerello <christophe.kerello@st.com>
+M:	Patrice Chotard <patrice.chotard@st.com>
 S:	Maintained
 F:	arch/arm/mach-stm32mp
 F:	drivers/clk/clk_stm32mp1.c
+F:	drivers/i2c/stm32f7_i2c.c
 F:	drivers/misc/stm32mp_fuse.c
+F:	drivers/mmc/stm32_sdmmc2.c
+F:	drivers/phy/phy-stm32-usbphyc.c
+F:	drivers/pinctrl/pinctrl_stm32.c
+F:	drivers/power/regulator/stm32-vrefbuf.c
 F:	drivers/ram/stm32mp1/
+F:	drivers/misc/stm32_rcc.c
+F:	drivers/reset/stm32-reset.c
+F:	drivers/spi/stm32_qspi.c
 
 ARM STM STV0991
 M:	Vikas Manocha <vikas.manocha@st.com>