Add meson build support

Tested:
1. Project builds with each meson option turned on or off.
2. Unit tests build and pass.
3. On platform FW built with updated recipe
   (I23fabdf57b8d6ac35c3aea0ece667be118de4b61):
    a. SMBIOS blob store library is properly picked up by IPMI blob
       store manager and handles OEM IPMI commands.
    b. smbiosmdrv2app is running and populates objects on D-Bus.
    c. cpuinfoapp is running and populates objects on D-Bus.

Change-Id: Ie65b281900cc07e7d0145445bcc65bbab1979214
Signed-off-by: Jonathan Doman <jonathan.doman@intel.com>
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..327ea97
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+/build*/
+/subprojects/*/