picocom: bump to version 2.1

Also remove no longer needed patch (merged upstream before the release
of v2.1).

Signed-off-by: Rodrigo Rebello <rprebello@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/picocom/picocom.hash

@@ -1,3 +1,2 @@
 # Locally calculated
-sha256 e0f7095c118f43c1c09787a16ef5c7d4c4ad4457dd3b1281efcc4cdb8906af9a  picocom-2.0.tar.gz
-sha256 37746613c05ecf4058c989ef7042b85ef0308886f3731a9dfffdadd19cc9ecfb  2c4c2317592daac97aac6669fd7b68e07a3dbec6.patch
+sha256 6b152fc5f816eaef6b86336a4cec7cf1496b7c712061e5aea5a36f143a0b09ed  picocom-2.1.tar.gz

package/picocom/picocom.mk

@@ -4,11 +4,10 @@
 #
 ################################################################################
 
-PICOCOM_VERSION = 2.0
+PICOCOM_VERSION = 2.1
 PICOCOM_SITE = $(call github,npat-efault,picocom,$(PICOCOM_VERSION))
 PICOCOM_LICENSE = GPLv2+
 PICOCOM_LICENSE_FILES = LICENSE.txt
-PICOCOM_PATCH = https://github.com/npat-efault/picocom/commit/2c4c2317592daac97aac6669fd7b68e07a3dbec6.patch
 
 define PICOCOM_BUILD_CMDS
 	$(TARGET_MAKE_ENV) $(TARGET_CONFIGURE_OPTS) $(MAKE) -C $(@D)