UBUNTU: [Config] CONFIG_EFI_SECURE_BOOT_SIG_ENFORCE=n

BugLink: http://bugs.launchpad.net/bugs/1566221

Defer enforcing signed module loading, but other secure boot
checks are still valid.
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>

debian.master/config/config.common.ubuntu

@@ -2303,6 +2303,7 @@ CONFIG_EFI_PARTITION=y
 # CONFIG_EFI_PGT_DUMP is not set
 CONFIG_EFI_RUNTIME_MAP=y
 CONFIG_EFI_RUNTIME_WRAPPERS=y
+# CONFIG_EFI_SECURE_BOOT_SIG_ENFORCE is not set
 CONFIG_EFI_STUB=y
 CONFIG_EFI_VARS=y
 CONFIG_EFI_VARS_PSTORE=m