efi/x86: Support builtin command line

jira LE-4066
Rebuild_History Non-Buildable kernel-4.18.0-553.72.1.el8_10
commit-author Arvind Sankar <nivedita@alum.mit.edu>
commit 7dde67f
Empty-Commit: Cherry-Pick Conflicts during history rebuild.
Will be included in final tarball splat. Ref for failed cherry-pick at:
ciq/ciq_backports/kernel-4.18.0-553.72.1.el8_10/7dde67f2.failed

Add support for the x86 CMDLINE_BOOL and CMDLINE_OVERRIDE configuration
options.

	Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
Link: https://lore.kernel.org/r/20200430182843.2510180-11-nivedita@alum.mit.edu
	Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
(cherry picked from commit 7dde67f)
	Signed-off-by: Jonathan Maple <jmaple@ciq.com>

# Conflicts:
#	drivers/firmware/efi/libstub/x86-stub.c

Author: PlaidCat

ciq/ciq_backports/kernel-4.18.0-553.72.1.el8_10/7dde67f2.failed

@@ -0,0 +1,23 @@
+efi/x86: Support builtin command line
+
+jira LE-4066
+Rebuild_History Non-Buildable kernel-4.18.0-553.72.1.el8_10
+commit-author Arvind Sankar <nivedita@alum.mit.edu>
+commit 7dde67f2a23ac11962b17128d9a71698430ced95
+Empty-Commit: Cherry-Pick Conflicts during history rebuild.
+Will be included in final tarball splat. Ref for failed cherry-pick at:
+ciq/ciq_backports/kernel-4.18.0-553.72.1.el8_10/7dde67f2.failed
+
+Add support for the x86 CMDLINE_BOOL and CMDLINE_OVERRIDE configuration
+options.
+
+	Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
+Link: https://lore.kernel.org/r/20200430182843.2510180-11-nivedita@alum.mit.edu
+	Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
+(cherry picked from commit 7dde67f2a23ac11962b17128d9a71698430ced95)
+	Signed-off-by: Jonathan Maple <jmaple@ciq.com>
+
+# Conflicts:
+#	drivers/firmware/efi/libstub/x86-stub.c
+* Unmerged path drivers/firmware/efi/libstub/x86-stub.c
+* Unmerged path drivers/firmware/efi/libstub/x86-stub.c