defconfig: lahaina: Enable QTI_PMIC_GLINK_CLIENT_DEBUG

This option enables the generation of debugfs files in PMIC GLINK client
drivers that are strictly meant for internal debugging only.

Change-Id: I309b113d024039af9d42838e670e3679c9de664e
Signed-off-by: Guru Das Srinagesh <gurus@codeaurora.org>