Return PSP_UMD_READY when sceKernelGetCompiledSdkVersion() != 0



When sceKernelGetCompiledSdkVersion() != 0 , sdkVersion set and PSP_UMD_READY will be |= to notifyArg and return as 0x32 instead of 0x22 .

Fixes #4969 & #4546

Thanks @daniel229 for finding out this fix.