zram: default to lzo-rle instead of lzo

lzo-rle gives higher performance and similar compression ratios to lzo.

Link: http://lkml.kernel.org/r/20190205155944.16007-4-dave.rodgman@arm.com


Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>