dts: x86: quark_se_c1000_devboard: Add device tree support

patch add device tree support for develoement board of
quark_se_c1000. Previously pushed patch was flashing binary
at wrong address because of which UART was not working

Jira:ZEP-2459

test

Signed-off-by: Savinay Dharmappa <savinay.dharmappa@intel.com>