MAINTAINERS: ARM STM STM32MP: correct file paths

Provide correct file paths.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Patrick Delaunay <patrick.delaunay@st.com>

MAINTAINERS

@@ -201,8 +201,8 @@ ARM STM STM32MP
 M:	Patrick Delaunay <patrick.delaunay@st.com>
 S:	Maintained
 F:	arch/arm/mach-stm32mp
-F:	clk/clk_stm32mp1.c
-F:	ram/stm32mp1
+F:	drivers/clk/clk_stm32mp1.c
+F:	drivers/ram/stm32mp1/
 
 ARM STM STV0991
 M:	Vikas Manocha <vikas.manocha@st.com>