commit b3c5dce8 upstream.

The Lenovo Ideapad S205 has an internal mic where the right channel
is phase inverted.

BugLink: https://bugs.launchpad.net/bugs/884652Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>