a3700: 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: I89c3ab2ed85ab941d8b38ced48474feb4aaa8b7e
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
diff --git a/plat/marvell/common/marvell_console.c b/plat/marvell/common/marvell_console.c
index 33931af..b57b84f 100644
--- a/plat/marvell/common/marvell_console.c
+++ b/plat/marvell/common/marvell_console.c
@@ -15,8 +15,8 @@
 #ifdef PLAT_a3700
 #include <drivers/marvell/uart/a3700_console.h>
 
-static console_a3700_t marvell_boot_console;
-static console_a3700_t marvell_runtime_console;
+static console_t marvell_boot_console;
+static console_t marvell_runtime_console;
 #else
 #include <drivers/ti/uart/uart_16550.h>