Add chip_config meson build option

There will not be a need to build all chip data
files in every release so this option is being
added to allow for more control over what is built.

Change-Id: I059640525f6826d67c406fe4a25bcec301582d6e
Signed-off-by: Caleb Palmer <cnpalmer@us.ibm.com>
diff --git a/meson_options.txt b/meson_options.txt
index 0fc2767..b0ed04e 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -1 +1,3 @@
 option('tests', type: 'feature', description: 'Build tests')
+option('chip_config', type : 'array', choices: ['p10', 'explorer', 'odyssey'],
+       description : 'Configured chips to build data files for')