[openwrt/openwrt] toolchain/gdb: fix broken non-python build

[LEDE Commits]

nbd pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/7f946a880a61816e338e99b79ece6fb206fc6f9c

commit 7f946a880a61816e338e99b79ece6fb206fc6f9c
Author: Felix Fietkau <nbd at nbd.name>
AuthorDate: Wed Jun 9 13:16:11 2021 +0200

    toolchain/gdb: fix broken non-python build
    
    Append configure args instead of overwriting them
    
    Fixes: 74417f8b3a80 ("toolchain: gdb: Add optional python support")
    Signed-off-by: Felix Fietkau <nbd at nbd.name>
---
 toolchain/gdb/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/toolchain/gdb/Makefile b/toolchain/gdb/Makefile
index 2708eff869..e769a3be3e 100644
--- a/toolchain/gdb/Makefile
+++ b/toolchain/gdb/Makefile
@@ -46,7 +46,7 @@ HOST_CONFIGURE_ARGS = \
 ifneq ($(CONFIG_GDB_PYTHON),)
   HOST_CONFIGURE_ARGS+= --with-python
 else
-  HOST_CONFIGURE_ARGS:= --without-python
+  HOST_CONFIGURE_ARGS+= --without-python
 endif
 
 define Host/Install