imx: 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: I058f793e4024fa7291e432f5be374a77faf16f36
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
diff --git a/plat/imx/common/include/imx_uart.h b/plat/imx/common/include/imx_uart.h
index cc1b531..6c4d62f 100644
--- a/plat/imx/common/include/imx_uart.h
+++ b/plat/imx/common/include/imx_uart.h
@@ -11,13 +11,8 @@
 
 #ifndef __ASSEMBLER__
 
-typedef struct {
-	console_t console;
-	uintptr_t base;
-} console_uart_t;
-
 int console_imx_uart_register(uintptr_t baseaddr, uint32_t clock, uint32_t baud,
-			   console_uart_t *console);
+			      console_t *console);
 #endif /*__ASSEMBLER__*/
 
 #endif  /* IMX_UART_H */