[media] ir-hix5hd2: drop the use of IRQF_NO_SUSPEND

This driver doesn't claim the IR transmitter to be wakeup source. It
even disables the clock and the IR during suspend-resume cycle.

This patch removes yet another misuse of IRQF_NO_SUSPEND.

Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Guoxiong Yan <yanguoxiong@huawei.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>