CVE-2023-53750 pinctrl: freescale: Fix a memory out of bounds when num_configs is 1

In the Linux kernel, the following vulnerability has been resolved: pinctrl: freescale: Fix a memory out of bounds when numconfigs is 1 The config passed in by pad wakeup is 1, when numconfigs is 1, Configuration 1 should not be fetched, which will be detected by KASAN as a memory out of bounds...