sdbusplus: avoid deprecated phosphor::Timer

sdbusplus had an older type named `phosphor::Timer` which was
recently renamed to `sdbusplus::Timer`.  Update the code to use
the new type alias.

Change-Id: I694f0624eae2cdbb071ab97fe019cd5684615541
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/src/chassiscommands.cpp b/src/chassiscommands.cpp
index 93ab200..8a40017 100644
--- a/src/chassiscommands.cpp
+++ b/src/chassiscommands.cpp
@@ -64,7 +64,7 @@
 
 constexpr size_t defaultIdentifyTimeOut = 15;
 
-std::unique_ptr<phosphor::Timer> identifyTimer
+std::unique_ptr<sdbusplus::Timer> identifyTimer
     __attribute__((init_priority(101)));
 std::unique_ptr<sdbusplus::bus::match_t> matchPtr
     __attribute__((init_priority(101)));
@@ -177,7 +177,7 @@
     if (!identifyTimer)
     {
         identifyTimer =
-            std::make_unique<phosphor::Timer>(enclosureIdentifyLedBlinkOff);
+            std::make_unique<sdbusplus::Timer>(enclosureIdentifyLedBlinkOff);
     }
 }