ath11k: qmi: use %pad to format dma_addr_t

If CONFIG_ARCH_DMA_ADDR_T_64BIT=n:

    drivers/net/wireless/ath/ath11k/qmi.c: In function ‘ath11k_qmi_respond_fw_mem_request’:
    drivers/net/wireless/ath/ath11k/qmi.c:1690:8: warning: format ‘%llx’ expects argument of type ‘long long unsigned int’, but argument 5 has type ‘dma_addr_t’ {aka ‘unsigned int’} [-Wformat=]
     1690 |        "qmi req mem_seg[%d] 0x%llx %u %u\n", i,
	  |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
     1691 |         ab->qmi.target_mem[i].paddr,
	  |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~
	  |                              |
	  |                              dma_addr_t {aka unsigned int}
    drivers/net/wireless/ath/ath11k/debug.h:64:30: note: in definition of macro ‘ath11k_dbg’
       64 |   __ath11k_dbg(ar, dbg_mask, fmt, ##__VA_ARGS__); \
	  |                              ^~~
    drivers/net/wireless/ath/ath11k/qmi.c:1690:34: note: format string is defined here
     1690 |        "qmi req mem_seg[%d] 0x%llx %u %u\n", i,
	  |                               ~~~^
	  |                                  |
	  |                                  long long unsigned int
	  |                               %x

Fixes: d5395a54 ("ath11k: qmi: add debug message for allocated memory segment addresses and sizes")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210221182754.2071863-1-geert@linux-m68k.org