style: s/FirmwareUpdateFlags/UpdateFlags/g

Change the enum's name from FirmwareUpdateFlags to UpdateFlags as it now
lives in the FirmwareBlobHandler class and therefore the name can be
reduced to be less specific.

Change-Id: If1e99525d100c1f43e611fd344f3cba665fdd038
Signed-off-by: Patrick Venture <venture@google.com>
diff --git a/firmware_handler.cpp b/firmware_handler.cpp
index 4717e95..3f255ac 100644
--- a/firmware_handler.cpp
+++ b/firmware_handler.cpp
@@ -291,7 +291,7 @@
 
     std::vector<std::uint8_t> bytes;
 
-    if (item->second->flags & FirmwareUpdateFlags::ipmi)
+    if (item->second->flags & UpdateFlags::ipmi)
     {
         bytes = data;
     }
@@ -330,7 +330,7 @@
         return false;
     }
 
-    if (item->second->flags & FirmwareUpdateFlags::ipmi)
+    if (item->second->flags & UpdateFlags::ipmi)
     {
         return false;
     }