meta-quanta: Add meta-f0b machine

Initial introduction of Quanta F0B family equipped with Aspeed 2500 BMC SoC.

Tested: Build Quanta F0B board and load on the target hardware.
Ensure that BMC boots to console.

(From meta-quanta rev: b0d87650a1f20510596881a37c6a4424c6c5781a)

Change-Id: Ieb5aad2f897dc8fb1840e0db2929b9350e3fa063
Signed-off-by: PKLee-Quanta <p.k.lee@quantatw.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/meta-quanta/meta-f0b/conf/conf-notes.txt b/meta-quanta/meta-f0b/conf/conf-notes.txt
new file mode 100644
index 0000000..9b3c01a
--- /dev/null
+++ b/meta-quanta/meta-f0b/conf/conf-notes.txt
@@ -0,0 +1,2 @@
+Common targets are:
+     obmc-phosphor-image