stm32: Use generic console_t data structure

Since now the generic console_t structure holds the UART base address as
well, let's use that generic location and drop the UART driver specific
data structure at all.

Change-Id: Iea6ca26ff4903c33f0fad27fec96fdbabd4e0a91
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
diff --git a/plat/st/stm32mp1/sp_min/sp_min_setup.c b/plat/st/stm32mp1/sp_min/sp_min_setup.c
index e10dfbf..4e74c27 100644
--- a/plat/st/stm32mp1/sp_min/sp_min_setup.c
+++ b/plat/st/stm32mp1/sp_min/sp_min_setup.c
@@ -35,7 +35,7 @@
  ******************************************************************************/
 static entry_point_info_t bl33_image_ep_info;
 
-static struct console_stm32 console;
+static console_t console;
 
 /*******************************************************************************
  * Interrupt handler for FIQ (secure IRQ)
@@ -142,7 +142,7 @@
 #ifdef DEBUG
 		console_flags |= CONSOLE_FLAG_RUNTIME;
 #endif
-		console_set_scope(&console.console, console_flags);
+		console_set_scope(&console, console_flags);
 	}
 }