package/lttng-modules: needs CONFIG_KPROBES

Fix the following build failure:

/nvmedata/autobuild/instance-18/output-1/build/lttng-modules-2.13.1/./src/wrapper/kallsyms.c:20:3: error: #error "LTTng-modules requires CONFIG_KPROBES on kernels >= 5.7.0"
   20 | # error "LTTng-modules requires CONFIG_KPROBES on kernels >= 5.7.0"
      |   ^~~~~

Fixes:
 - http://autobuild.buildroot.org/results/a733056d59f15573698c191562afced3f7a331ee

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/lttng-modules/lttng-modules.mk

@@ -12,5 +12,9 @@ LTTNG_MODULES_LICENSE_FILES = \
 	LICENSES/LGPL-2.1 LICENSES/GPL-2.0 LICENSES/MIT LICENSE
 LTTNG_MODULES_MODULE_MAKE_OPTS = CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m
 
+define LTTNG_MODULES_LINUX_CONFIG_FIXUPS
+	$(call KCONFIG_ENABLE_OPT,CONFIG_KPROBES)
+endef
+
 $(eval $(kernel-module))
 $(eval $(generic-package))