sparc: Fix the getresuidFunc prototype.

When the syscall signature was changed to not take a Process pointer,
the prototype for getresuidFunc was not updated.

Change-Id: I887cc3e3aa8483fc608df9963876a0ac6fa2251d
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/23320
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Gabe Black <gabeblack@google.com>
Tested-by: kokoro <noreply+kokoro@google.com>

src/arch/sparc/linux/process.hh

@@ -89,8 +89,7 @@ class Sparc64LinuxProcess : public SparcLinuxProcess, public Sparc64Process
     void handleTrap(int trapNum, ThreadContext *tc, Fault *fault);
 };
 
-SyscallReturn getresuidFunc(SyscallDesc *desc, int num,
-                            Process *p, ThreadContext *tc);
+SyscallReturn getresuidFunc(SyscallDesc *desc, int num, ThreadContext *tc);
 
 } // namespace SparcISA
 #endif // __SPARC_LINUX_PROCESS_HH__