sample/tsm-mr: Fix missing static for sample_report

0day robot reports 'sample_report' can be static, fix it up.

Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Signed-off-by: Cedric Xing <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Dan Williams <[email protected]>

Author: binxing

samples/tsm-mr/tsm_mr_sample.c

@@ -8,7 +8,7 @@
 #include <linux/miscdevice.h>
 #include <crypto/hash.h>
 
-struct {
+static struct {
 	u8 static_mr[SHA384_DIGEST_SIZE];
 	u8 config_mr[SHA512_DIGEST_SIZE];
 	u8 rtmr0[SHA256_DIGEST_SIZE];