CVE-2022-48922 riscv: fix oops caused by irqsoff latency tracer

In the Linux kernel, the following vulnerability has been resolved: riscv: fix oops caused by irqsoff latency tracer The tracehardirqson,off require the caller to setup frame pointer properly. This because these two functions use macro 'CALLERADDR1' aka. builtinreturnaddress1 to acquire caller...