tpm: Fix typo in tpmrm class definition

Commit d2e8071bed ("tpm: make all 'class' structures const")
unfortunately had a typo for the name on tpmrm.

Fixes: d2e8071bed ("tpm: make all 'class' structures const")
Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>

drivers/char/tpm/tpm-chip.c

@@ -33,7 +33,7 @@ const struct class tpm_class = {
 	.shutdown_pre = tpm_class_shutdown,
 };
 const struct class tpmrm_class = {
-	.name = "tmprm",
+	.name = "tpmrm",
 };
 dev_t tpm_devt;