ARM: mx6: gw_ventana: Remove superfluous memset of GD in board_init_f

Zeroing GD in board_init_f() is not needed any more. As its now done in
crt0.S. The patch that clears the GD in crt0.S is this one:

aae2aef9 [arm: Set up global data before board_init_f()] from Simon.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Tim Harvey <tharvey@gateworks.com>
Cc: Stefano Babic <sbabic@denx.de>
Acked-by: Tim Harvey <tharvey@gateworks.com>

board/gateworks/gw_ventana/gw_ventana_spl.c

@@ -402,13 +402,6 @@ void board_init_f(ulong dummy)
 	struct ventana_board_info ventana_info;
 	int board_model;
 
-	/*
-	 * Zero out global data:
-	 *  - this shoudl be done by crt0.S
-	 *  - failure to zero it will cause i2c_setup to fail
-	 */
-	memset((void *)gd, 0, sizeof(struct global_data));
-
 	/* setup AIPS and disable watchdog */
 	arch_cpu_init();