ASoC: msm8x16-wcd: update the impedance calculating array

Update the impedence calculating array with the 13 entry,
as the HPH configuration not working as expected when the
impedance of the connected headset is computed as 14Ohms.

CRs-Fixed: 958618
Change-Id: I10c7ec9ed9c95bbe9d750ac2fa848b86ea805cd9
Signed-off-by: Santosh Mardi <gsantosh@codeaurora.org>