[MIPS] Delete leftovers of old pcspeaker support.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index ffa0836..9e78e1a 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -76,7 +76,6 @@
 obj-$(CONFIG_64BIT)		+= cpu-bugs64.o
 
 obj-$(CONFIG_I8253)		+= i8253.o
-obj-$(CONFIG_PCSPEAKER)		+= pcspeaker.o
 
 obj-$(CONFIG_KEXEC)		+= machine_kexec.o relocate_kernel.o
 obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o