logos: provide U-Boot logo

Provide a logo showing a submarine.

U-Boot currently lacks an icon identifying the project.
The German word U-Boot translates to submarine.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/tools/logos/u-boot_logo.bmp b/tools/logos/u-boot_logo.bmp
new file mode 100644
index 0000000..40245dd
--- /dev/null
+++ b/tools/logos/u-boot_logo.bmp
Binary files differ
diff --git a/tools/logos/u-boot_logo.svg b/tools/logos/u-boot_logo.svg
new file mode 100644
index 0000000..e45ef2e
--- /dev/null
+++ b/tools/logos/u-boot_logo.svg
@@ -0,0 +1,248 @@
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+<!-- Copyright (c) 2018, Heinrich Schuchardt <xypron.glpk@gmx.de> -->
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