ANDROID: GKI: ioport.h: add Android ABI padding to a structure

Try to mitigate potential future driver core api changes by adding a
padding to struct resource.

Based on a change made to the RHEL/CENTOS 8 kernel.

Bug: 151154716
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I5ff4401c540be7d095f1db27370281b7220af030