Staging: rtl8192e: Remove unnecessary variables

This patch removes unnecessary intermediary variables in return lines
and uses actual values.
Found by coccinelle using this semantic patch:

@@ type T; expression expr; identifier r; @@

-T r = expr;
... when != r
    when strict
-return r;
+return expr;

Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --cc drivers/staging/rtl8192e/rtl8192e/r8192E_firmware.c
Simple merge

diff --cc drivers/staging/rtl8192e/rtl8192e/rtl_core.c
Simple merge

diff --cc drivers/staging/rtl8192e/rtl819x_HTProc.c
Simple merge