ARM: dts: msm: Add euro usbc support for sdm670 internal codec

For sdm670 internal codec gnd-mic-swap-gpio is present but
is not enabled in overlay. Add this support for euro headset
for usbc so that switch is flipped in this case.

CRs-Fixed: 2149826
Change-Id: If1d7593dffc0de3811567f3590eb0de2064576f3
Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>