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sdnvme: make sure pci membar type is memory

--- a/sys/src/9/pc/sdnvme.c

+++ b/sys/src/9/pc/sdnvme.c

@@ -560,7 +560,7 @@

 	for(p = nil; p = pcimatch(p, 0, 0);){

 		if(p->ccrb != 1 || p->ccru != 8 || p->ccrp != 2)

 			continue;

-		if(p->mem[0].size == 0)

+		if(p->mem[0].size == 0 || (p->mem[0].bar & 1) != 0)

 			continue;

 		if((ctlr = malloc(sizeof(*ctlr))) == nil){

 			print("nvme: no memory for Ctlr\n");