misc: rtsx: Remove unnecessary rts5249_set_aspm(), rts5260_set_aspm()

rts5249_set_aspm() and rts5260_set_aspm() do nothing more than the default
rtsx_comm_set_aspm() does, so remove them and use the default.  No
functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Link: https://lore.kernel.org/r/20200521180545.1159896-7-helgaas@kernel.org


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