staging: qlge: Fix indentation in ql_get_mac_addr_reg

This has similar indentation style issues as ql_set_mac_addr_reg, so I
thought I'd re-indent this too.

Fix several checkpatch.pl warnings:

  WARNING: line over 80 characters

Signed-off-by: Rylan Dmello <mail@rylan.coffee>
Link: https://lore.kernel.org/r/b51f21b20514dc5197266a5a52d31c7b85f16741.1588209862.git.mail@rylan.coffee


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>