package/c-periphery: bump version to 2.1.0

Since commit "gpio: add cdev implementation"
(https://github.com/vsergeev/c-periphery/commit/d0a973cca2eca8c3b84013ade210849ce4e2a2af),
c-periphery needs linux headers >= 4.8.

The hash of the license file is updated due to an update in the
copyright year:

  - Copyright (c) 2014-2016 vsergeev / Ivan (Vanya) A. Sergeev
  + Copyright (c) 2014-2019 vsergeev / Ivan (Vanya) A. Sergeev

Signed-off-by: Joris Offouga <offougajoris@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/c-periphery/Config.in

@@ -1,5 +1,6 @@
 config BR2_PACKAGE_C_PERIPHERY
 	bool "c-periphery"
+	depends on BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_8
 	help
 	  c-periphery is a set of C wrapper functions for GPIO, SPI,
 	  I2C, MMIO, and Serial peripheral I/O interface access in
@@ -14,3 +15,6 @@ config BR2_PACKAGE_C_PERIPHERY
 	  integration with other projects, and is MIT licensed.
 
 	  https://github.com/vsergeev/c-periphery
+
+comment "c-periphery needs a toolchain w/ kernel headers >= 4.8"
+	depends on !BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_8

package/c-periphery/c-periphery.hash

@@ -1,3 +1,3 @@
 # Locally calculated
-sha256 50665a4f298b30e4cc8f7dbd38362fd860cc3746803d00325cb04806674e3166  c-periphery-1.1.3.tar.gz
-sha256 6b5669a90260126f0600aae98cb10fb5e219269dc9cbd0137f63927b96d5c31d  LICENSE
+sha256 1c455c42b26818d199ac227cd19714f265623e15d363fdfdf47a2416a4165654  c-periphery-2.1.0.tar.gz
+sha256 e7b9464cb8511f19ddb40f9cf52fe86b3dfe38b2faed9d7bbc3d5707677ffbe3  LICENSE

package/c-periphery/c-periphery.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-C_PERIPHERY_VERSION = 1.1.3
+C_PERIPHERY_VERSION = 2.1.0
 C_PERIPHERY_SITE = $(call github,vsergeev,c-periphery,v$(C_PERIPHERY_VERSION))
 C_PERIPHERY_INSTALL_STAGING = YES
 # only a static library