x86/speculation/mds: Fix documentation typo

x86/speculation/mds: Fix documentation typo

Fix a minor typo in the MDS documentation: "eanbled" -> "enabled".

Reported-by: Jeff Bastian <jbastian@redhat.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
CVE-2018-12126
CVE-2018-12127
CVE-2018-12130
CVE-2019-11091

(cherry picked from commit 95310e348a321b45fb746c176961d4da72344282)
Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Acked-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>
Acked-by: Connor Kuehl <connor.kuehl@canonical.com>
Signed-off-by: Kleber Sacilotto de Souza <kleber.souza@canonical.com>