Git ignore modules.livepatch files after build

Add modules.livepatch to .gitignore inside the following folders:

- testcases/kernel/device-drivers/acpi/
- testcases/kernel/device-drivers/block/block_dev_kernel/

Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>

Author: acerv

testcases/kernel/device-drivers/acpi/.gitignore

@@ -6,3 +6,4 @@
 /.*.ko
 /.*.cmd
 /Module.symvers
+/modules.livepatch

testcases/kernel/device-drivers/block/block_dev_kernel/.gitignore

@@ -5,3 +5,4 @@
 /.*.ko
 /.*.cmd
 /Module.symvers
+/modules.livepatch