NFC: qca-199x: maximize i2c drive strength for fpga platform

fpga platform uses long i2c cables.  These cables require more current
for reliable i2c communication to occur.

Change-Id: Ieb880cc4cccfaad062a6cd8e17cca3d007fa7288
Signed-off-by: Houston Hoffman <hhoffman@codeaurora.org>