[sonic-linux-kernel] advance sub module head (sonic-net#3252)

Submodule src/sonic-linux-kernel 415b368..1d9c69f:
  > [kernel source] download kernel source files from azure storage (#95)
  > Fix false alarm when writing convrate on max6658 (#82)

Signed-off-by: Ying Xie <ying.xie@microsoft.com>