ANDROID: GKI: add guards for an include file in net/ethtool/ioctl.c

In commit 82f9af46 ("ipv6: Remove in6addr_any alternatives."), the
6.1.54 release adds a new include file, which changes the crc generation
of some of the public symbols in that file.  Fix that up by adding a

Bug: 161946584
Fixes: 82f9af46 ("ipv6: Remove in6addr_any alternatives.")
Change-Id: I495d21a761e3724ed1ca605496b2b85acb7a77f5
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>