staging: ft1000: convert formal put_handshake() header to single line comment

As per coding style,C99 comments are not allowed
also, the formal header contained empty space and
redundant information that's right there in the function
Signed-off-by: Kelley Nielsen <kelleynnn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/ft1000/ft1000-usb/ft1000_download.c

@@ -201,20 +201,7 @@ static u16 get_handshake(struct ft1000_usb *ft1000dev, u16 expected_value)
 	return HANDSHAKE_TIMEOUT_VALUE;
 }
 
-//---------------------------------------------------------------------------
-// Function:    put_handshake
-//
-// Parameters:  struct ft1000_usb  - device structure
-//              u16 handshake_value - handshake to be written
-//
-// Returns:     none
-//
-// Description: This function write the handshake value to the handshake location
-//              in DPRAM
-//
-// Notes:
-//
-//---------------------------------------------------------------------------
+/* write the handshake value to the handshake location */
 static void put_handshake(struct ft1000_usb *ft1000dev,u16 handshake_value)
 {
 	u32 tempx;