MLK-25508: dmaengine: imx-sdma: fix kernel dump in audio record

commit cbbfb5c197356a71b3e22f6cc5483daa73cd72eb from
git://source.codeaurora.org/external/qoriq/qoriq-components/linux

Check whether audiomix really off or not in runtime resume, if not, do
nothing at HW level including script load to avoid the below crash:

[   40.348730] kernel BUG at mm/vmalloc.c:2064!
[   40.353001] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
[   40.358486] Modules linked in:
[   40.361547] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.35-05035-g08680b128d38-dirty #490
[   40.369984] Hardware name: NXP i.MX8MPlus EVK board (DT)
[   40.375297] pstate: 00000005 (nzcv daif -PAN -UAO -TCO BTYPE=--)
[   40.381310] pc : __get_vm_area_node+0x164/0x188
[   40.385842] lr : vmap+0x84/0x100
[   40.389069] sp : ffff800011bdba80
[   40.392384] x29: ffff800011bdba80 x28: 0000000000000000
[   40.397700] x27: ffff0000c0447548 x26: ffff0000c69b80d4
[   40.403015] x25: 0000000000001000 x24: 006800000000070b
[   40.408333] x23: ffff0000c7399300 x22: 0000000000001000
[   40.413651] x21: 0000000000000010 x20: 0000000000000001
[   40.418972] x19: fffffdfffff01540 x18: 00000000000000c0
[   40.424290] x17: 0000000000000000 x16: 0000000000000000
[   40.429605] x15: fffffdfffff024c0 x14: fffffdfffff024c8
[   40.434921] x13: dead000000000122 x12: 0000000000001000
[   40.440236] x11: ffff00017f3fba08 x10: ffff80016dc2b000
[   40.445552] x9 : ffffffffffffffff x8 : 0000000000010001
[   40.450870] x7 : ffff8000100f51a0 x6 : 0000000000000cc0
[   40.456187] x5 : 00000000ffffffff x4 : fffffdffbfff0000
[   40.461505] x3 : ffff800010000000 x2 : 0000000000000010
[   40.466821] x1 : 0000000000000001 x0 : 0000000000001000
[   40.472137] Call trace:
[   40.474588]  __get_vm_area_node+0x164/0x188
[   40.478775]  dma_common_contiguous_remap+0xa8/0xe8
[   40.483568]  dma_direct_alloc+0x194/0x320
[   40.487581]  dma_alloc_attrs+0x7c/0xe0
[   40.491333]  sdma_load_script+0x64/0x170
[   40.495260]  sdma_runtime_resume+0x1cc/0x1e8
[   40.499533]  pm_generic_runtime_resume+0x28/0x40
[   40.504153]  __genpd_runtime_resume+0x2c/0xa0
[   40.508512]  genpd_runtime_resume+0x88/0x208
[   40.512784]  __rpm_callback+0xd4/0x148
[   40.516535]  rpm_callback+0x20/0x80
[   40.520025]  rpm_resume+0x39c/0x580
[   40.523515]  __pm_runtime_resume+0x38/0x80
[   40.527614]  sdma_int_handler+0x40/0x380
[   40.531539]  __handle_irq_event_percpu+0x4c/0x160
[   40.536243]  handle_irq_event_percpu+0x30/0x88
[   40.540686]  handle_irq_event+0x44/0xd8
[   40.544525]  handle_fasteoi_irq+0xb4/0x160
[   40.548621]  generic_handle_irq+0x2c/0x40
[   40.552632]  __handle_domain_irq+0x60/0xb8
[   40.556730]  gic_handle_irq+0x54/0x118
[   40.560482]  el1_irq+0xc0/0x180
[   40.563626]  cpuidle_enter_state+0x134/0x2e8
[   40.567898]  cpuidle_enter+0x34/0x48
[   40.571476]  call_cpuidle+0x18/0x38
[   40.574963]  do_idle+0x1f4/0x258
[   40.578190]  cpu_startup_entry+0x20/0x68
[   40.582116]  rest_init+0xd4/0xe0
[   40.585347]  arch_call_rest_init+0xc/0x14
[   40.589359]  start_kernel+0x470/0x4a4
[   40.593027] Code: aa1403e0 a94153f3 a8c67bfd d65f03c0 (d4210000)
Signed-off-by: Meng Li <Meng.Li@windriver.com>
[   40.599126] ---[ end trace 1207e0499c4741de ]---

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Acked-by: Jason Liu <jason.hui.liu@nxp.com>