Option to override dump request D-Bus path

Added option for overriding the object path for requesting OpenPOWER
dumps. On recent systems the object path is changed so adding option
to override the path in the recipe.

Change-Id: I457831630aa4208e0455082a8f0c4096b084d843
Signed-off-by: Dhruvaraj Subhashchandran <dhruvaraj@in.ibm.com>
diff --git a/config.h.in b/config.h.in
index 4156e49..2a67c89 100644
--- a/config.h.in
+++ b/config.h.in
@@ -20,4 +20,7 @@
 
 #mesondefine CONFIG_PHAL_API
 
+// D-Bus path for requesting dumps
+constexpr auto OP_DUMP_OBJ_PATH = @OP_DUMP_OBJ_PATH@;
+
 // clang-format on