add project file for keil

fix binary.h compiler specific
add hal_init code to reset & set usbmode --> able to get USB ISR
remove const qualifier from return function of
- get_operational_register
- get_period_frame_list
- get_async_head
- get_period_head
- get_control_qhd
add stub for
- hcd_port_connect_status
- hcd_port_speed

demos/host/.project

@@ -94,7 +94,7 @@
 	</linkedResources>
 	<filteredResources>
 		<filter>
-			<id>1359278214124</id>
+			<id>1363062796914</id>
 			<name></name>
 			<type>26</type>
 			<matcher>
@@ -102,5 +102,14 @@
 				<arguments>1.0-name-matches-false-false-startup_keil</arguments>
 			</matcher>
 		</filter>
+		<filter>
+			<id>1363062796957</id>
+			<name></name>
+			<type>26</type>
+			<matcher>
+				<id>org.eclipse.ui.ide.multiFilter</id>
+				<arguments>1.0-name-matches-false-false-UV4Build</arguments>
+			</matcher>
+		</filter>
 	</filteredResources>
 </projectDescription>