fix(stm32mp2): correct typo in definition header

Fix a typo about the platform in a comment (STM32MP2 instead
of STM32MP1).

Signed-off-by: Gatien Chevallier <gatien.chevallier@foss.st.com>
Change-Id: I6a58b659d97d7143e277dea57d4eede7729092bc
diff --git a/plat/st/stm32mp2/stm32mp2_def.h b/plat/st/stm32mp2/stm32mp2_def.h
index 1b8c4f5..90dbcb8 100644
--- a/plat/st/stm32mp2/stm32mp2_def.h
+++ b/plat/st/stm32mp2/stm32mp2_def.h
@@ -386,7 +386,7 @@
 #define DDRPHYC_BASE				U(0x48C00000)
 
 /*******************************************************************************
- * Miscellaneous STM32MP1 peripherals base address
+ * Miscellaneous STM32MP2 peripherals base address
  ******************************************************************************/
 #define BSEC_BASE				U(0x44000000)
 #define DBGMCU_BASE				U(0x4A010000)