Merge hidpp10.la and hidpp20.la together into one single helper lib

No real reason to keep the two separate, and if we do and need to include both
libraries, we get double-defined symbols (all the ones in hidpp-generic.c).
This is a helper lib only anyway.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

src/Makefile.am

@@ -1,7 +1,5 @@
 lib_LTLIBRARIES = libratbag.la
-noinst_LTLIBRARIES =			\
-	libhidpp10.la			\
-	libhidpp20.la
+noinst_LTLIBRARIES = libhidpp.la
 
 include_HEADERS =			\
 	libratbag.h
@@ -49,14 +47,10 @@ EXTRA_DIST = libratbag-version.h.in libratbag.sym
 
 # The hidpp libraries are static libraries only for in-tree tools. No API
 # stability is guaranteed here.
-libhidpp10_la_SOURCES = \
+libhidpp_la_SOURCES = \
 			hidpp-generic.h	\
 			hidpp-generic.c	\
 			hidpp10.h	\
-			hidpp10.c
-
-libhidpp20_la_SOURCES = \
-			hidpp-generic.h	\
-			hidpp-generic.c	\
+			hidpp10.c	\
 			hidpp20.h	\
 			hidpp20.c