boot/mmu: Fix hrev52228. No returns from mmu_identity_map.

* Pretty sure Jam didn't compile the changes to this file.

Change-Id: I9dccd24e523d5bd575565f1768314a9d8f2be1ab

src/system/boot/arch/arm/arch_mmu.cpp

@@ -409,9 +409,7 @@ fdt_map_memory_ranges(const char* path, bool physical = false)
 				return B_ERROR;
 			}
 		} else {
-			if (mmu_map_identity(base, base + size, ARM_MMU_L2_FLAG_B)) {
-				dprintf("cannot identity map memory range!");
-				return B_ERROR;
+			mmu_map_identity(base, base + size, ARM_MMU_L2_FLAG_B);
 		}
 	}