exception: switch to public sdbus exception

SdBusError was intended to be a private error type inside sdbusplus.
Switch all catch locations to use the general sdbusplus::exception type.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I3beb227f7fac887190c15084e6b112ae1e1e11c5
diff --git a/extensions/openpower-pels/dbus_watcher.hpp b/extensions/openpower-pels/dbus_watcher.hpp
index c674abb..54cf6d4 100644
--- a/extensions/openpower-pels/dbus_watcher.hpp
+++ b/extensions/openpower-pels/dbus_watcher.hpp
@@ -7,7 +7,6 @@
 namespace openpower::pels
 {
 
-using sdbusplus::exception::SdBusError;
 namespace match_rules = sdbusplus::bus::match::rules;
 
 /**
@@ -120,7 +119,7 @@
         {
             read(dataIface, service);
         }
-        catch (const SdBusError& e)
+        catch (const sdbusplus::exception::exception& e)
         {
             // Path doesn't exist now
         }
@@ -300,7 +299,7 @@
         {
             read(dataIface);
         }
-        catch (const SdBusError& e)
+        catch (const sdbusplus::exception::exception& e)
         {
             // Path doesn't exist now
         }