move jtag drivers to src/jtag/drivers

Moves JTAG interface drivers to src/jtag/drivers/,
Adds src/jtag/drivers/Makefile.am.
Builds libocdjtagdrivers.la.

Flattens the rlink driver files into the drivers/ directory, adding
the 'rlink_' prefix or '.rlink' suffix as appropriate.

src/jtag/Makefile.am

@@ -5,7 +5,9 @@ AM_CPPFLAGS = \
 METASOURCES = AUTO
 noinst_LTLIBRARIES = libjtag.la
 
+SUBDIRS =
 DRIVERFILES =
+libjtag_la_LIBADD =
 
 if MINIDRIVER
 
@@ -20,63 +22,14 @@ endif
 
 else
 
-# Standard Driver: common files
-DRIVERFILES += driver.c commands.c
+DRIVERFILES += commands.c
 
-if USB
-DRIVERFILES += usb_common.c
-endif
-
-if BITBANG
-DRIVERFILES += bitbang.c
-endif
-if PARPORT
-DRIVERFILES += parport.c
-endif
-if DUMMY
-DRIVERFILES += dummy.c
-endif
-if FT2232_DRIVER
-DRIVERFILES += ft2232.c
-endif
-if AMTJTAGACCEL
-DRIVERFILES += amt_jtagaccel.c
-endif
-if EP93XX
-DRIVERFILES += ep93xx.c
-endif
-if AT91RM9200
-DRIVERFILES += at91rm9200.c
-endif
-if GW16012
-DRIVERFILES += gw16012.c
-endif
-if BITQ
-DRIVERFILES += bitq.c
-endif
-if PRESTO_DRIVER
-DRIVERFILES += presto.c
-endif
-if USBPROG
-DRIVERFILES += usbprog.c
-endif
-if JLINK
-DRIVERFILES += jlink.c
-endif
-if RLINK
-DRIVERFILES += rlink/rlink.c rlink/rlink_speed_table.c
-endif
-if VSLLINK
-DRIVERFILES += vsllink.c
-endif
-if ARMJTAGEW
-DRIVERFILES += arm-jtag-ew.c
-endif
+SUBDIRS += drivers
+libjtag_la_LIBADD += $(top_builddir)/src/jtag/drivers/libocdjtagdrivers.la
 
 endif
 # endif // MINIDRIVER
 
-
 libjtag_la_SOURCES = \
 	core.c \
 	interface.c \
@@ -85,19 +38,12 @@ libjtag_la_SOURCES = \
 	$(DRIVERFILES)
 
 noinst_HEADERS = \
+	commands.h \
 	interface.h \
 	interfaces.h \
-	commands.h \
 	minidriver.h \
-	bitbang.h \
 	jtag.h \
-	bitq.h \
-	rlink/dtc_cmd.h \
-	rlink/ep1_cmd.h \
-	rlink/rlink.h \
-	rlink/st7.h \
-	minidummy/jtag_minidriver.h \
-	usb_common.h
+	minidummy/jtag_minidriver.h
 
 EXTRA_DIST = startup.tcl