drm/amdgpu: remove dead code in atom_get_src_int

Since the range of align is 0~7, the expression is: align = (attr >> 3) & 7.
In the case of ATOM_ARG_IMM, the code cannot reach the default case.
So there is no need for "break".
Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com>
Suggested-by: Tim Huang <Tim.Huang@amd.com>
Reviewed-by: Tim Huang <Tim.Huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/atom.c

@@ -301,7 +301,7 @@ static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr,
 			(*ptr) += 4;
 			if (print)
 				DEBUG("IMM 0x%08X\n", val);
-			return val;
+			break;
 		case ATOM_SRC_WORD0:
 		case ATOM_SRC_WORD8:
 		case ATOM_SRC_WORD16:
@@ -309,7 +309,7 @@ static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr,
 			(*ptr) += 2;
 			if (print)
 				DEBUG("IMM 0x%04X\n", val);
-			return val;
+			break;
 		case ATOM_SRC_BYTE0:
 		case ATOM_SRC_BYTE8:
 		case ATOM_SRC_BYTE16:
@@ -318,9 +318,9 @@ static uint32_t atom_get_src_int(atom_exec_context *ctx, uint8_t attr,
 			(*ptr)++;
 			if (print)
 				DEBUG("IMM 0x%02X\n", val);
-			return val;
+			break;
 		}
-		break;
+		return val;
 	case ATOM_ARG_PLL:
 		idx = U8(*ptr);
 		(*ptr)++;