x86: tangier: kconfig: Imply platform specific drivers

Imply Tangier-specific drivers in the platform Kconfig.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

arch/x86/cpu/tangier/Kconfig

@@ -7,6 +7,13 @@
 config INTEL_TANGIER
 	bool
 	depends on INTEL_MID
+	imply INTEL_MID_SERIAL
+	imply MMC
+	imply MMC_SDHCI
+	imply MMC_SDHCI_SDMA
+	imply MMC_SDHCI_TANGIER
+	imply TANGIER_WATCHDOG
+	imply USB_DWC3
 
 config SYS_CAR_ADDR
 	hex

configs/edison_defconfig

@@ -27,20 +27,13 @@ CONFIG_OF_EMBED=y
 CONFIG_CPU=y
 CONFIG_DFU_MMC=y
 CONFIG_DFU_RAM=y
-CONFIG_MMC=y
 CONFIG_DM_MMC=y
-CONFIG_MMC_SDHCI=y
-CONFIG_MMC_SDHCI_SDMA=y
-CONFIG_MMC_SDHCI_TANGIER=y
 CONFIG_DM_PCI_COMPAT=y
-CONFIG_INTEL_MID_SERIAL=y
-CONFIG_USB_DWC3=y
 CONFIG_USB_DWC3_GADGET=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_GADGET_DOWNLOAD=y
 CONFIG_G_DNL_MANUFACTURER="Intel"
 CONFIG_G_DNL_VENDOR_NUM=0x8087
 CONFIG_G_DNL_PRODUCT_NUM=0x0a99
-CONFIG_TANGIER_WATCHDOG=y
 CONFIG_FAT_WRITE=y
 CONFIG_SHA1=y