update example project

Author: GorgonMeducer

example/example.uvprojx

@@ -16,8 +16,8 @@
         <TargetCommonOption>
           <Device>ARMCM0</Device>
           <Vendor>ARM</Vendor>
-          <PackID>ARM.CMSIS.5.9.0</PackID>
-          <PackURL>http://www.keil.com/pack/</PackURL>
+          <PackID>ARM.Cortex_DFP.1.1.0</PackID>
+          <PackURL>https://www.keil.com/pack/</PackURL>
           <Cpu>IRAM(0x20000000,0x00020000) IROM(0x00000000,0x00040000) CPUTYPE("Cortex-M0") CLOCK(12000000) ESEL ELITTLE</Cpu>
           <FlashUtilSpec></FlashUtilSpec>
           <StartupFile></StartupFile>