kexec: use Crash kernel for Crash kernel low

We can extend kexec-tools to support multiple "Crash kernel" in /proc/iomem
instead.

So we can use "Crash kernel" instead of "Crash kernel low" in /proc/iomem.
Suggested-by: NVivek Goyal <vgoyal@redhat.com>
Signed-off-by: NYinghai Lu <yinghai@kernel.org>
Link: http://lkml.kernel.org/r/1366089828-19692-3-git-send-email-yinghai@kernel.orgAcked-by: NVivek Goyal <vgoyal@redhat.com>
Signed-off-by: NH. Peter Anvin <hpa@linux.intel.com>

kernel/kexec.c

@@ -55,7 +55,7 @@ struct resource crashk_res = {
 	.flags = IORESOURCE_BUSY | IORESOURCE_MEM
 };
 struct resource crashk_low_res = {
-	.name  = "Crash kernel low",
+	.name  = "Crash kernel",
 	.start = 0,
 	.end   = 0,
 	.flags = IORESOURCE_BUSY | IORESOURCE_MEM