staging: csr: remove casting of return value from kmalloc
staging: csr: remove casting of return value from kmalloc

as per Documentation/CodingStyle, casting of void pointer to
any other pointer is not needed

Signed-off-by: Devendra Naga <97fdf9fb34d40445b99f4e064a18057cd6e2bccb@gmail.com>
Acked-by: Marcos Paulo de Souza <0b4ebe3a213a49a2bc3457b98408e6d86812eb46@gmail.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs