Revert "Revert "staging/lustre: drop CONFIG_BROKEN dependency""

This reverts commit 37d4093f.

I've verified that we now don't break build on X86_64 allmodconfig.

Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Peng Tao <tao.peng@emc.com>
Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/Kconfig

 config LUSTRE_FS
 	tristate "Lustre file system client support"
-	depends on STAGING && INET && BROKEN
+	depends on STAGING && INET
 	select LNET
 	select CRYPTO
 	select CRYPTO_CRC32