thunderbolt: Fix build error in switch.c
thunderbolt: Fix build error in switch.c

Fixes the below error:
drivers/thunderbolt/switch.c:347:2: error: implicit declaration of function ‘kzalloc’ [-Werror=implicit-function-declaration]
drivers/thunderbolt/switch.c:381:2: error: implicit declaration of function ‘kcalloc’ [-Werror=implicit-function-declaration]

Signed-off-by: Sachin Kamat <1c3b1584a6008857f36c03c58f657c0fc16fc09e@samsung.com>
Acked-by: Andreas Noever <4e889c1f18b0ebb8c48dcacb749beb07ff15ae21@gmail.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs