Blackfin arch: use common KGDB_TESTS rather than our own KGDB_TESTCASE

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

diff --git a/arch/blackfin/kernel/Makefile b/arch/blackfin/kernel/Makefile
index 4a92a86..fd4d432 100644
--- a/arch/blackfin/kernel/Makefile
+++ b/arch/blackfin/kernel/Makefile
@@ -15,13 +15,15 @@
     obj-y += time.o
 endif
 
-CFLAGS_kgdb_test.o := -mlong-calls -O0
-
 obj-$(CONFIG_IPIPE)                  += ipipe.o
 obj-$(CONFIG_IPIPE_TRACE_MCOUNT)     += mcount.o
 obj-$(CONFIG_BFIN_GPTIMERS)          += gptimers.o
 obj-$(CONFIG_CPLB_INFO)              += cplbinfo.o
 obj-$(CONFIG_MODULES)                += module.o
 obj-$(CONFIG_KGDB)                   += kgdb.o
-obj-$(CONFIG_KGDB_TESTCASE)          += kgdb_test.o
+obj-$(CONFIG_KGDB_TESTS)             += kgdb_test.o
 obj-$(CONFIG_EARLY_PRINTK)           += early_printk.o
+
+# the kgdb test puts code into L2 and without linker
+# relaxation, we need to force long calls to/from it
+CFLAGS_kgdb_test.o := -mlong-calls -O0