ARM: defconfig: Update qcom_defconfig

This enables smem, smd, rpm, regulators, pmic pinctrl and hwspinlock as
these platform features are now merged. It enables gpio-keys as this is
used by most boards and enables fhandle and cgroups, so we can boot
systemd.

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Andy Gross <andy.gross@linaro.org>