picocom: remove myself as maintainer

Fix license information.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

utils/picocom/Makefile

@@ -9,14 +9,15 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=picocom
 PKG_VERSION:=3.1
-PKG_RELEASE:=3
+PKG_RELEASE:=4
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/npat-efault/picocom/tar.gz/$(PKG_VERSION)?
 PKG_HASH:=e6761ca932ffc6d09bd6b11ff018bdaf70b287ce518b3282d29e0270e88420bb
 
-PKG_MAINTAINER:=Rosen Penev <rosenp@gmail.com>
+PKG_MAINTAINER:=
 PKG_LICENSE:=GPL-2.0-or-later
+PKG_LICENSE:=LICENSE.txt
 
 include $(INCLUDE_DIR)/package.mk