mach-tegra: Adding MMC_KEEP_POWER to support suspend/resume for wifi SDIO slot

arch/arm/mach-tegra/board-seaboard-sdhci.c

 /*
  * arch/arm/mach-tegra/board-harmony-sdhci.c
  *
  * Copyright (C) 2010 Google, Inc.
  *
  * This software is licensed under the terms of the GNU General Public
  * License version 2, as published by the Free Software Foundation, and
  * may be copied, distributed, and modified under those terms.
  *
  * This program is distributed in the hope that it will be useful,
@@ skipping 52 matching lines @@
                 .start  = TEGRA_SDMMC4_BASE,
                 .end    = TEGRA_SDMMC4_BASE + TEGRA_SDMMC4_SIZE-1,
                 .flags  = IORESOURCE_MEM,
         },
 };
 
 static struct tegra_sdhci_platform_data tegra_sdhci_platform_data0 = {
         .cd_gpio        = -1,
         .wp_gpio        = -1,
         .power_gpio     = -1,
+        .pm_flags       = MMC_PM_KEEP_POWER,
 };
 
 static struct tegra_sdhci_platform_data tegra_sdhci_platform_data2 = {
         .cd_gpio        = TEGRA_GPIO_PI5,
         .wp_gpio        = TEGRA_GPIO_PH1,
         .power_gpio     = TEGRA_GPIO_PI6,
 };
 
 static struct tegra_sdhci_platform_data tegra_sdhci_platform_data3 = {
         .cd_gpio        = -1,
@@ skipping 31 matching lines @@
                 .platform_data = &tegra_sdhci_platform_data3,
         },
 };
 
 void __init seaboard_sdhci_init(void)
 {
         platform_device_register(&tegra_sdhci_device3);
         platform_device_register(&tegra_sdhci_device2);
         platform_device_register(&tegra_sdhci_device0);
 }