ARM: pxa: Fix Vpac270 gpio_power for MMC

GPIO 0 is valid, yet this platform doesn't have any power GPIO for MMC.
Signed-off-by: NMarek Vasut <marek.vasut@gmail.com>

arch/arm/mach-pxa/vpac270.c

@@ -240,6 +240,7 @@ static void __init vpac270_onenand_init(void) {}
 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
 static struct pxamci_platform_data vpac270_mci_platform_data = {
 	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
+	.gpio_power		= -1,
 	.gpio_card_detect	= GPIO53_VPAC270_SD_DETECT_N,
 	.gpio_card_ro		= GPIO52_VPAC270_SD_READONLY,
 	.detect_delay_ms	= 200,