arm: mvebu: a38x: Remove dead code ARMADA_39X

Config option ARMADA_39X is never set so remove all dead code hidden under
ifdef CONFIG_ARMADA_39X blocks.

Also remove useless checks for CONFIG_ARMADA_38X define as this macro is
always defined for a38x code path.

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/tools/Makefile b/tools/Makefile
index 2d55043..62de7e6 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -150,12 +150,12 @@
 HOSTCFLAGS_kwbimage.o += -DCONFIG_SYS_U_BOOT_OFFS=$(CONFIG_SYS_U_BOOT_OFFS)
 endif
 
-ifneq ($(CONFIG_ARMADA_38X)$(CONFIG_ARMADA_39X),)
+ifneq ($(CONFIG_ARMADA_38X),)
 HOSTCFLAGS_kwbimage.o += -DCONFIG_KWB_SECURE
 endif
 
 # MXSImage needs LibSSL
-ifneq ($(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_ARMADA_38X)$(CONFIG_ARMADA_39X)$(CONFIG_FIT_SIGNATURE)$(CONFIG_FIT_CIPHER),)
+ifneq ($(CONFIG_MX23)$(CONFIG_MX28)$(CONFIG_ARMADA_38X)$(CONFIG_FIT_SIGNATURE)$(CONFIG_FIT_CIPHER),)
 HOSTCFLAGS_kwbimage.o += \
 	$(shell pkg-config --cflags libssl libcrypto 2> /dev/null || echo "")
 HOSTLDLIBS_mkimage += \