Convert CONFIG_SYS_IDE_MAXBUS et al to Kconfig

This converts the following to Kconfig:
   CONFIG_SYS_IDE_MAXBUS
   CONFIG_SYS_IDE_MAXDEVICE
   CONFIG_SYS_ATA_BASE_ADDR
   CONFIG_SYS_ATA_STRIDE
   CONFIG_SYS_ATA_DATA_OFFSET
   CONFIG_SYS_ATA_REG_OFFSET
   CONFIG_SYS_ATA_ALT_OFFSET
   CONFIG_SYS_ATA_IDE0_OFFSET
   CONFIG_SYS_ATA_IDE1_OFFSET
   CONFIG_ATAPI
   CONFIG_IDE_RESET

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/configs/dreamplug_defconfig b/configs/dreamplug_defconfig
index 557013d..b7bc0e4 100644
--- a/configs/dreamplug_defconfig
+++ b/configs/dreamplug_defconfig
@@ -41,6 +41,10 @@
 CONFIG_NETCONSOLE=y
 CONFIG_DM=y
 CONFIG_SATA_MV=y
+CONFIG_SYS_ATA_STRIDE=4
+CONFIG_SYS_ATA_DATA_OFFSET=0x100
+CONFIG_SYS_ATA_REG_OFFSET=0x100
+CONFIG_SYS_ATA_ALT_OFFSET=0x100
 # CONFIG_MMC is not set
 CONFIG_MTD=y
 CONFIG_DM_SPI_FLASH=y