[sonic-linux-kernel] advance sub module head

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

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