stm32mp1: make functions and macros more common

Mainly remove suffix 1 from prefix stm32mp1 in several macros and functions
that can be used in drivers shared by different platforms.

Change-Id: I2295c44f5b1edac7e80a93c0e8dfd671b36e88e7
Signed-off-by: Yann Gautier <yann.gautier@st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@st.com>
diff --git a/plat/st/stm32mp1/sp_min/sp_min_setup.c b/plat/st/stm32mp1/sp_min/sp_min_setup.c
index f747ee7..329ff68 100644
--- a/plat/st/stm32mp1/sp_min/sp_min_setup.c
+++ b/plat/st/stm32mp1/sp_min/sp_min_setup.c
@@ -123,7 +123,7 @@
 
 	if ((result > 0) && (dt_uart_info.status != 0U)) {
 		if (console_stm32_register(dt_uart_info.base, 0,
-					   STM32MP1_UART_BAUDRATE, &console) ==
+					   STM32MP_UART_BAUDRATE, &console) ==
 		    0) {
 			panic();
 		}