misc: rtsx: judge ASPM Mode to set PETXCFG Reg

ASPM Mode is ASPM_MODE_CFG need to judge the value of clkreq_0
to set HIGH or LOW, if the ASPM Mode is ASPM_MODE_REG
always set to HIGH during the initialization.

Cc: stable@vger.kernel.org
Signed-off-by: Ricky Wu <ricky_wu@realtek.com>
Link: https://lore.kernel.org/r/52906c6836374c8cb068225954c5543a@realtek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>