staging: rtl8192e: add missing MODULE_DESCRIPTION() macros

staging: rtl8192e: add missing MODULE_DESCRIPTION() macros

make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/rtl8192e/rtllib.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/rtl8192e/rtllib_crypt_ccmp.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/rtl8192e/rtllib_crypt_tkip.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/rtl8192e/rtllib_crypt_wep.o

Add the missing invocations of the MODULE_DESCRIPTION() macro.

Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20240610-md-drivers-staging-rtl8192e-v1-1-b5d11ee98297@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>