em_read_ich8_dword
ret_val = em_read_ich8_dword(hw, act_offset, &nvm_dword);
ret_val = em_read_ich8_dword(hw, act_offset + bank1_offset,
error = em_read_ich8_dword(hw, act_offset, &dword);
static int32_t em_read_ich8_dword(struct em_hw *, uint32_t, uint32_t *);