Import xc3sprog ebuild

Signed-off-by: Stefan Knoblich <stkn@bitplumber.de>

dev-embedded/xc3sprog/files/xc3sprog-9999-libftdi.patch

@@ -0,0 +1,13 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 96e410d..2099f16 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -18,7 +18,7 @@ endif(${WIN32})
+ 
+ option(USE_FTD2XX "Use FTDI libFTD2XX instead of free libftdi" ON)
+ 
+-find_package(libftdi)
++find_package(libftdi REQUIRED NAMES LibFTDI LibFTDI1)
+ include_directories(${LIBFTDI_INCLUDE_DIR})
+ 
+ if(USE_FTD2XX)