Enable kexec for x86 as well (#2141)

SVN-Revision: 8365

target/linux/x86-2.6/config/default

@@ -164,6 +164,7 @@ CONFIG_KEYBOARD_ATKBD=y
 # CONFIG_KEYBOARD_STOWAWAY is not set
 # CONFIG_KEYBOARD_SUNKBD is not set
 # CONFIG_KEYBOARD_XTKBD is not set
+CONFIG_KEXEC=y
 CONFIG_KTIME_SCALAR=y
 # CONFIG_KVM is not set
 # CONFIG_LANCE is not set