CVE-2022-49475 spi: spi-fsl-qspi: check return value after calling platform_get_resource_byname()

In the Linux kernel, the following vulnerability has been resolved: spi: spi-fsl-qspi: check return value after calling platformgetresourcebyname It will cause null-ptr-deref if platformgetresourcebyname returns NULL, we need check the return value...