tools arch x86: Add Intel SDSi provisiong tool

Add tool for key certificate and activation payload provisioning on
Intel CPUs supporting Software Defined Silicon (SDSi).
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
Link: https://lore.kernel.org/r/20220225012457.1661574-1-david.e.box@linux.intel.comReviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>

MAINTAINERS

@@ -9881,6 +9881,7 @@ INTEL SDSI DRIVER
 M:	David E. Box <david.e.box@linux.intel.com>
 S:	Supported
 F:	drivers/platform/x86/intel/sdsi.c
+F:	tools/arch/x86/intel_sdsi/
 
 INTEL SKYLAKE INT3472 ACPI DEVICE DRIVER
 M:	Daniel Scally <djrscally@gmail.com>

tools/arch/x86/intel_sdsi/Makefile

+# SPDX-License-Identifier: GPL-2.0
+# Makefile for Intel Software Defined Silicon provisioning tool
+
+intel_sdsi: intel_sdsi.c
+
+CFLAGS = -Wextra
+
+BINDIR ?= /usr/sbin
+
+override CFLAGS += -O2 -Wall
+
+%: %.c
+	$(CC) $(CFLAGS) -o $@ $< $(LDFLAGS)
+
+.PHONY : clean
+clean :
+	@rm -f intel_sdsi
+
+install : intel_sdsi
+	install -d  $(DESTDIR)$(BINDIR)
+	install -m 755 -p intel_sdsi $(DESTDIR)$(BINDIR)/intel_sdsi