s390/crc32: Add missing MODULE_DESCRIPTION() macro

With ARCH=s390, make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in arch/s390/crypto/crc32-vx_s390.o

Add the missing invocation of the MODULE_DESCRIPTION() macro.

Acked-by: Heiko Carstens <[e-mail]>
Signed-off-by: Jeff Johnson <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Vasily Gorbik <[e-mail]>
Signed-off-by: Alexander Gordeev <[e-mail]>

arch/s390/crypto/crc32-vx.c

···
 module_exit(crc_vx_mod_exit);
 
 MODULE_AUTHOR("Hendrik Brueckner <[e-mail]>");
+MODULE_DESCRIPTION("CRC-32 algorithms using z/Architecture Vector Extension Facility");
 MODULE_LICENSE("GPL");
 
 MODULE_ALIAS_CRYPTO("crc32");