use strtoull to parse configuration lines

Reference: /n/atom/patch/applied/pc64bitconf
Date: Sat Jan 11 21:47:54 CET 2014
Signed-off-by: quanstro@quanstro.net

--- /sys/src/9/pc/main.c	Sat Jan 11 21:47:42 2014
+++ /sys/src/9/pc/main.c	Sat Jan 11 21:47:42 2014
@@ -805,17 +805,17 @@
 		if(cistrncmp(p, "type=", 5) == 0)
 			isa->type = p + 5;
 		else if(cistrncmp(p, "port=", 5) == 0)
-			isa->port = strtoul(p+5, &p, 0);
+			isa->port = strtoull(p+5, &p, 0);
 		else if(cistrncmp(p, "irq=", 4) == 0)
-			isa->irq = strtoul(p+4, &p, 0);
+			isa->irq = strtoull(p+4, &p, 0);
 		else if(cistrncmp(p, "dma=", 4) == 0)
-			isa->dma = strtoul(p+4, &p, 0);
+			isa->dma = strtoull(p+4, &p, 0);
 		else if(cistrncmp(p, "mem=", 4) == 0)
-			isa->mem = strtoul(p+4, &p, 0);
+			isa->mem = strtoull(p+4, &p, 0);
 		else if(cistrncmp(p, "size=", 5) == 0)
-			isa->size = strtoul(p+5, &p, 0);
+			isa->size = strtoull(p+5, &p, 0);
 		else if(cistrncmp(p, "freq=", 5) == 0)
-			isa->freq = strtoul(p+5, &p, 0);
+			isa->freq = strtoull(p+5, &p, 0);
 		else if(cistrncmp(p, "tbdf=", 5) == 0)
 			isa->tbdf = strtotbdf(p+5, &p, 0);
 	}