MIPS: R3000/R3081: Fix CPU detection.

Broken since e05ea74fc56f347f872ef9946d27c53e8bf20864 (lmo) rsp.
cea7e2df (kernel.org) [MIPS: Sort out CPU
type to name translation.]  These CPUs are no longer very popular to say
the least ...
Signed-off-by: NRalf Baechle <ralf@linux-mips.org>
Reported-by: NMurphy McCauley <murphy.mccauley@gmail.com>

arch/mips/kernel/cpu-probe.c

@@ -510,7 +510,6 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c, unsigned int cpu)
 				c->cputype = CPU_R3000A;
 				__cpu_name[cpu] = "R3000A";
 			}
-			break;
 		} else {
 			c->cputype = CPU_R3000;
 			__cpu_name[cpu] = "R3000";