MIPS: Move definition of DC bit to mipsregs.h

The CAUSEB_DC and CAUSEF_DC definitions used by KVM are defined in
asm/kvm_host.h, but all the other Cause register field definitions are
found in asm/mipsregs.h.

Lets reunite the DC bit definitions with its friends in mipsregs.h.

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Gleb Natapov <gleb@kernel.org>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/11885/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/include/asm/kvm_host.h

@@ -92,9 +92,6 @@
 #define KVM_INVALID_INST		0xdeadbeef
 #define KVM_INVALID_ADDR		0xdeadbeef
 
-#define CAUSEB_DC			27
-#define CAUSEF_DC			(_ULCAST_(1) << 27)
-
 extern atomic_t kvm_mips_instance;
 extern pfn_t(*kvm_mips_gfn_to_pfn) (struct kvm *kvm, gfn_t gfn);
 extern void (*kvm_mips_release_pfn_clean) (pfn_t pfn);

arch/mips/include/asm/mipsregs.h

@@ -394,6 +394,8 @@
 #define CAUSEF_IV		(_ULCAST_(1)   << 23)
 #define CAUSEB_PCI		26
 #define CAUSEF_PCI		(_ULCAST_(1)   << 26)
+#define CAUSEB_DC		27
+#define CAUSEF_DC		(_ULCAST_(1)   << 27)
 #define CAUSEB_CE		28
 #define CAUSEF_CE		(_ULCAST_(3)   << 28)
 #define CAUSEB_TI		30