ANDROID: kbuild: align UNUSED_KSYMS_WHITELIST with upstream

The UNUSED_KSYMS_WHITELIST feature as been merged in ACK as FROMLIST v5,
but the v6 got recently queued with minor changes.

Align the Android code with what will be merged upstream.

Bug: 148277666
Fixes: 92f76ef499a0 ("FROMLIST: kbuild: allow symbol whitelisting with
TRIM_UNUSED_KSYMS")
Signed-off-by: Quentin Perret <qperret@google.com>
Change-Id: I41726e3fba6e299bb541f93ae9ac31add0c08b60
diff --git a/Makefile b/Makefile
index 080c29b..a662456 100644
--- a/Makefile
+++ b/Makefile
@@ -1128,8 +1128,8 @@
 autoksyms_h := $(if $(CONFIG_TRIM_UNUSED_KSYMS), include/generated/autoksyms.h)
 
 quiet_cmd_autoksyms_h = GEN     $@
-      cmd_autoksyms_h = mkdir -p $(dir $@); $(CONFIG_SHELL) \
-			$(srctree)/scripts/gen_autoksyms.sh $@
+      cmd_autoksyms_h = mkdir -p $(dir $@); \
+			$(CONFIG_SHELL) $(srctree)/scripts/gen_autoksyms.sh $@
 
 $(autoksyms_h):
 	$(call cmd,autoksyms_h)