Updated SDK concept proposal (openhwgroup#462)

* Updated SDK concept proposal

	Review comments from Hugh O'Keeffe, Alex Fedorov and Olive
	Zhao. Add a makefile to run spell checking.

Files changed in "program/Project Descriptions and Plans":

	* SDK/Makefile: Created.
	* SDK/custom.wordlist: Created.
	* SDK/images/devkit.jpg: Created.
	* SDK/images/diagrams.docx: Created.
	* SDK/images/project-structure.odp: Deleted.
	* SDK/images/project-structure.png: Deleted.
	* SDK/images/refbrdsw.jpg: Created.
	* SDK/images/sdk-overview.odp: Deleted.
	* SDK/images/sdk-overview.png: Deleted.
	* SDK/images/sdk.jpg: Created.
	* SDK/sdk-project-concept.md: Updated with review comments,
	including new diagrams.

Signed-off-by: Jeremy Bennett <[email protected]>

* Updated SDK concept proposal

	Review comments from Duncan Bees, restore an image deleted by mistake.

Files changed in "program/Project Descriptions and Plans":

	* SDK/custom.wordlist: Add "unresourced" and "CV32E40P", correct
	spelling of SiFive.
	* SDK/images/project-structure.odp: Restored.
	* SDK/images/project-structure.png: Restored.
	* SDK/sdk-project-concept.md: Updated with review comments.

Signed-off-by: Jeremy Bennett <[email protected]>

* Updated SDK concept proposal

	Review comments from Alexander Fedorov.

Files changed in "program/Project Descriptions and Plans":

	* SDK/custom.wordlist: Add "ArSysOp".
	* SDK/sdk-project-concept.md: Updated with review comments.

Signed-off-by: Jeremy Bennett <[email protected]>

program/Project Descriptions and Plans/SDK/Makefile

@@ -0,0 +1,20 @@
+# Makefile to assist spell check for SDK proposals
+
+# Copyright (C) 2019 Embecosm Limited
+#
+# Contributor: Jeremy Bennett <[email protected]>
+#
+# This file is part of Embench.
+
+# SPDX-License-Identifier: CC-BY-SA-4.0
+
+# Spell check the documentation
+
+SRC = sdk-project-concept.md
+
+.PHONY: spell
+spell: $(SRC) custom.wordlist
+	@sed < $(SRC) -e 's/`[^`]\+`//g' -e '/^```/,/^```$$/d' \
+	    -e 's/&#[^;]\+;//g' \
+	    -e 's/<!-- .\+ -->//g' -e 's/\[.\+\]([^)]*)//g' | \
+	    hunspell -p custom.wordlist -l -d en_US | sort -u

program/Project Descriptions and Plans/SDK/custom.wordlist

@@ -0,0 +1,36 @@
+Alibaba
+ArSysOp
+Ashling
+binutils
+BSP
+CV32E40P
+Embecosm
+Fedorov
+FPGA
+FreeRTOS
+GDB
+ISA
+Keeffe
+LEDs
+LLVM
+MacOS
+MCU
+newlib
+NXP
+OpenHW
+QEMU
+RHEL
+SDK
+semihosting
+ShareAlike
+SiFive
+SoC
+Symbiflow
+TBC
+TPLs
+UART
+unresourced
+v2
+v3
+Verilator
+x86