Add RAS data support for 'callout_self' and 'callout_unit'

With this change, 'callout_self' and 'callout_unit' actions will add a
callout with location code into the PEL.

Change-Id: I975f2059a71f7b529a40fae03273cc3c387c4cef
Signed-off-by: Zane Shelley <zshelle@us.ibm.com>
diff --git a/config.h.in b/config.h.in
index 078fe81..4156e49 100644
--- a/config.h.in
+++ b/config.h.in
@@ -8,7 +8,12 @@
 //   ensuring each code path remains buildable. Note that the optimization path
 //   should delete the unused code later.
 
-constexpr const int configPhalApi = @CONFIG_PHAL_API@;
+// TODO: This has a problem because as currently designed, meson will replace
+//       the field with `True`, which won't compile. Will need to investigate
+//       later. Fortunately, this variable is not currently used. So we can
+//       comment it out and leave it here for an example when other config
+//       options are added later.
+// constexpr const int configPhalApi = @CONFIG_PHAL_API@;
 
 // IMPORTANT:
 //   Avoid using #define whenever possible. See note above for reason.