In case we have many continous regions without gaps we have to make soure that

we collapse them into one region. The previous version missed to go back one
step and do it again.

sys/powerpc/powerpc/platform.c

@@ -148,6 +148,7 @@ mem_regions(struct mem_region **phys, int *physsz, struct mem_region **avail,
 				memcpy(&aregions[i], &aregions[i+1],
 				    (naregions - i - 1)*sizeof(*aregions));
 				naregions--;
+				i--;
 			}
 		}
 	}