Move old vkernel code out of vboot_firmware.

It will go away entirely once the build has moved to vboot_kernel.

Review URL: http://codereview.chromium.org/2866006
diff --git a/vboot_firmware/lib/vboot_kernel.c b/vboot_firmware/lib/vboot_kernel.c
index fd791af..cdf653d 100644
--- a/vboot_firmware/lib/vboot_kernel.c
+++ b/vboot_firmware/lib/vboot_kernel.c
@@ -106,7 +106,7 @@
 }
 
 
-int LoadKernel2(LoadKernelParams* params) {
+int LoadKernel(LoadKernelParams* params) {
 
   VbPublicKey* kernel_subkey = (VbPublicKey*)params->header_sign_key_blob;