[PATCH] nouveau: Add missing break statement

[Chaitanya Kumar Borah <chaitanya.kumar.borah@xxxxxxxxx>]

Add the missing break statement that causes the following build error

	  CC [M]  drivers/gpu/drm/i915/display/intel_display_device.o
	../drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c: In function ‘build_registry’:
	../drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c:1266:3: error: label at end of compound statement
	1266 |   default:
	      |   ^~~~~~~
	  CC [M]  drivers/gpu/drm/amd/amdgpu/gfx_v10_0.o
	  HDRTEST drivers/gpu/drm/xe/compat-i915-headers/i915_reg.h
	  CC [M]  drivers/gpu/drm/amd/amdgpu/imu_v11_0.o
	make[7]: *** [../scripts/Makefile.build:244: drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.o] Error 1
	make[7]: *** Waiting for unfinished jobs....

Fixes: b58a0bc904ff ("nouveau: add command-line GSP-RM registry support")
Closes: https://lore.kernel.org/all/913052ca6c0988db1bab293cfae38529251b4594.camel@xxxxxxxxxx/T/#m3c9acebac754f2e74a85b76c858c093bb1aacaf0
Signed-off-by: Chaitanya Kumar Borah <chaitanya.kumar.borah@xxxxxxxxx>
---
 drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
index 0b46db5c77b8..63619512e7f6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c
@@ -1264,6 +1264,7 @@ static void build_registry(struct nvkm_gsp *gsp, PACKED_REGISTRY_TABLE *registry
 			str_offset += reg->vlen;
 			break;
 		default:
+			break;
 		}
 
 		i++;
-- 
2.25.1