thermal/drivers/imx_sc_thermal: Fix the loop condition

thermal/drivers/imx_sc_thermal: Fix the loop condition

The minimal resource ID is 0: IMX_SC_R_AP_0=0, so fix
the loop condition. Aside of this - constify the array.

Fixes: 31fd4b9db13b ("thermal/drivers/imx_sc: Rely on the platform data to get the resource id")
Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
Reviewed-by: Dong Aisheng <Aisheng.dong@nxp.com>
Link: https://lore.kernel.org/r/20230117091956.61729-1-viorel.suman@oss.nxp.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>