acpi: after wakeup from a state > S1 re-enable SCI_EN with a direct write
acpi: after wakeup from a state > S1 re-enable SCI_EN with a direct write

This hack is picked up from Linux, which claims that it follows
Windows behavior.

PR:		amd64/174409
Tested by:	Sergey V. Dyatko <sergey.dyatko@gmail.com>,
		KAHO Toshikazu <kaho@elam.kais.kyoto-u.ac.jp>,
		Slawa Olhovchenkov <slw@zxy.spb.ru>
MFC after:	13 days

jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase,jrobhoward/SCADAbase