[x86]: Enable Xen guest support in all i386 flavours.

sync with trunk xen settings

svn path=/dists/trunk/linux-2.6/; revision=11270

debian/config/i386/config

@@ -152,7 +152,7 @@ CONFIG_LGUEST_GUEST=y
 ##
 ## file: arch/x86/xen/Kconfig
 ##
-# CONFIG_XEN is not set
+CONFIG_XEN=y
 
 ##
 ## file: crypto/Kconfig
@@ -251,6 +251,7 @@ CONFIG_BLK_DEV_RAM_SIZE=8192
 CONFIG_CDROM_PKTCDVD=m
 CONFIG_CDROM_PKTCDVD_BUFFERS=8
 # CONFIG_CDROM_PKTCDVD_WCACHE is not set
+CONFIG_XEN_BLKDEV_FRONTEND=m
 CONFIG_VIRTIO_BLK=m
 
 ##
@@ -316,6 +317,7 @@ CONFIG_STALDRV=y
 CONFIG_PRINTER=m
 # CONFIG_LP_CONSOLE is not set
 CONFIG_PPDEV=m
+CONFIG_HVC_XEN=y
 CONFIG_NVRAM=m
 CONFIG_RTC=m
 CONFIG_GEN_RTC=m
@@ -1118,6 +1120,7 @@ CONFIG_R8169_VLAN=y
 CONFIG_VIA_VELOCITY=m
 CONFIG_TIGON3=m
 CONFIG_BNX2=m
+CONFIG_XEN_NETDEV_FRONTEND=m
 CONFIG_FDDI=y
 CONFIG_DEFXX=m
 # CONFIG_DEFXX_MMIO is not set