correct physical / logical sector size in identify device format.

Reference: /n/atom/patch/applied/atazzpsec
Date: Sat Mar  1 15:34:04 CET 2014
Signed-off-by: quanstro@quanstro.net

--- /sys/src/cmd/atazz/main.c	Sat Mar  1 15:33:09 2014
+++ /sys/src/cmd/atazz/main.c	Sat Mar  1 15:33:10 2014
@@ -902,7 +902,7 @@
 		print(" %ud %ud %ud", f.c, f.h, f.s);
 	i = f.lsectsz;
 	if(f.physshift)
-		print(" # psect %d; lsect %d", i << f.lsectsz, i);
+		print(" # psect %d; lsect %d", i << f.physshift, i);
 	print("\n");
 	penabled(buf, buf + sizeof buf, id);
 	print("enabled\t%s\n", buf);