package/gdb: add C-SKY specific version

Add gdb build for C-SKY Architecture:

 - Support host-gdb
 - Support gdbserver for target

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/gdb/Config.in

@@ -57,6 +57,7 @@ config BR2_PACKAGE_GDB_DEBUGGER
 	bool "full debugger"
 	depends on BR2_USE_WCHAR
 	depends on !BR2_sh
+	depends on !BR2_csky
 	select BR2_PACKAGE_NCURSES
 
 comment "full gdb on target needs a toolchain w/ wchar"

package/gdb/Config.in.host

@@ -48,6 +48,7 @@ choice
 	prompt "GDB debugger Version"
 	default BR2_GDB_VERSION_8_1
 	depends on !BR2_arc
+	depends on !BR2_csky
 	help
 	  Select the version of gdb you wish to use.
 
@@ -95,6 +96,7 @@ config BR2_PACKAGE_GDB_NEEDS_CXX11
 config BR2_GDB_VERSION
 	string
 	default "arc-2019.03-rc1-gdb" if BR2_arc
+	default "4ecb98fbc2f94dbe01b69384afbc515107de73df" if BR2_csky
 	default "7.12.1"   if BR2_GDB_VERSION_7_12
 	default "8.0.1"    if BR2_GDB_VERSION_8_0
 	default "8.1.1"    if BR2_GDB_VERSION_8_1 || !BR2_PACKAGE_HOST_GDB

package/gdb/gdb.hash

@@ -6,3 +6,6 @@ sha512  2aa81cfd389bb48c35d7d9f95cc10e88b4f7ad4597bdde0f8f1fd312f60f10d9fb2cc6e5
 
 # Locally calculated (fetched from Github)
 sha512  bc6dcd92991222418795c49b8fc13df7354b34ba7a7f1e4214b108776da0dad730259aa4611086694bc9291126f5182b449bbc22409aeadc44b89e7a42fb4e00 	gdb-arc-2019.03-rc1-gdb.tar.gz
+
+# Locally calculated (fetched from https://github.com/c-sky/binutils-gdb)
+sha512  c421e1f3c0d6cfb3c04544573c0c4b0075c8d8e3d563c6c234fcc1e4c2167ab203d1e57aec3b58abd348dc46f8cf9b47b753d3a43dba3ea970c9c9a6bd78c07b	gdb-4ecb98fbc2f94dbe01b69384afbc515107de73df.tar.gz

package/gdb/gdb.mk

@@ -14,6 +14,12 @@ GDB_SOURCE = gdb-$(GDB_VERSION).tar.gz
 GDB_FROM_GIT = y
 endif
 
+ifeq ($(BR2_csky),y)
+GDB_SITE = $(call github,c-sky,binutils-gdb,$(GDB_VERSION))
+GDB_SOURCE = gdb-$(GDB_VERSION).tar.gz
+GDB_FROM_GIT = y
+endif
+
 GDB_LICENSE = GPL-2.0+, LGPL-2.0+, GPL-3.0+, LGPL-3.0+
 GDB_LICENSE_FILES = COPYING COPYING.LIB COPYING3 COPYING3.LIB