staging: wilc1000: add maintainers for Atmel 802.11 driver

This patch adds new maintainers who develops new design for Atmel 802.11
link controller and deletes Dean Lee who cannot maintain the wireless
driver anymore.

Signed-off-by: Tony Cho <tony.cho@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

MAINTAINERS

@@ -9975,8 +9975,10 @@ F:	drivers/staging/vt665?/
 STAGING - WILC1000 WIFI DRIVER
 M:	Johnny Kim <johnny.kim@atmel.com>
 M:	Rachel Kim <rachel.kim@atmel.com>
-M:	Dean Lee <dean.lee@atmel.com>
 M:	Chris Park <chris.park@atmel.com>
+M:	Tony Cho <tony.cho@atmel.com>
+M:	Glen Lee <glen.lee@atmel.com>
+M:	Leo Kim <leo.kim@atmel.com>
 L:	linux-wireless@vger.kernel.org
 S:	Supported
 F:	drivers/staging/wilc1000/