PEL: rename feature flag SBE_FFDC_SUPPORTED

  Initially SBE_FFDC_SUPPORTED flag introduced to enable
SBE ffdc specific feature from phal feature enabled systems.
There is new requirement to add additional callout details
for phal feature enabled systems.
Changing "SBE_FFDC_SUPPORTED" to PHAL feature specific
name "PEL_ENABLE_PHAL".

Tested: verified build with phal enabled option.

Signed-off-by: Jayanth Othayoth <ojayanth@in.ibm.com>
Change-Id: Ief4b7a97fa148707f48f70f3f99d2f1a04a05f2e
diff --git a/extensions/openpower-pels/pel.cpp b/extensions/openpower-pels/pel.cpp
index 891436d..8f397cd 100644
--- a/extensions/openpower-pels/pel.cpp
+++ b/extensions/openpower-pels/pel.cpp
@@ -28,7 +28,7 @@
 #include "stream.hpp"
 #include "user_data_formats.hpp"
 
-#ifdef SBE_FFDC_SUPPORTED
+#ifdef PEL_ENABLE_PHAL
 #include "sbe_ffdc_handler.hpp"
 #endif
 
@@ -57,7 +57,7 @@
     // No changes in input, for non SBE error related requests
     PelFFDC ffdcFiles = ffdcFilesIn;
 
-#ifdef SBE_FFDC_SUPPORTED
+#ifdef PEL_ENABLE_PHAL
     // Add sbe ffdc processed data into ffdcfiles.
     namespace sbe = openpower::pels::sbe;
     auto processReq =