power: smb5: Enable Rp based ICL for USB Type-C non-compliant cables

Currently ICL is set based on BC 1.2 specification for Type-C
legacy cables. Add option to enable Rp based ICL for Type-C
non-compliant legacy cables.

Change-Id: Idd6be32fcc224bffca74182d6c4502978cfbe892
Signed-off-by: Sahil Chandna <chandna@codeaurora.org>
Signed-off-by: Guru Das Srinagesh <gurus@codeaurora.org>