Add side_ch driver build into make_all.sh

Necessary change for scripts of driver building

Add conditional compiling for driver:
C pre-defined macros can be set when running make_all.sh.
See change/help in the make_all.sh script or running the script.

Avoid the git_rev.h issue:

When user download the repo instead of clone it.

Scripts are adapted for SW HW decouple

To avoid openwifi-hw github submodule in openwifi. More flexible now.

Fix the issue of iGent env related big ping delay:
1. The issue only happens at zcu102 side, when it is tested as AP together with zedboard
2. The issue does not happen when zcu102 is client and zedb

Fix the issue of iGent env related big ping delay:
1. The issue only happens at zcu102 side, when it is tested as AP together with zedboard
2. The issue does not happen when zcu102 is client and zedboard is AP
3. The issue (most likely) does not happen in places other than iGent (like Pablo home)
4. Sometimes it does happen at my home when I test zcu102 as AP together with COTS WiFi
5. Indeed seems like the environment related. Guess some quick small packets in the environment quickly flush/round-up/mess-up the rx dma cyclic buffer, and the rx interrupt internal static variable target_buf_idx_old loses track of the background automatic rx dma cyclic buffer
6. The fix is for all board types (zcu102, zedboard, 7035, etc)
7. The driver compiling make_all.sh script generates USE_NEW_RX_INTERRUPT macro to pre_def.h to enable the new code (while keeping the old code). You can use the script as before.
8. The logic of the fix is that exhaustive search all the rx dma cyclic buffer in rx interrupt to get packet to Linux in the first place.

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udpate ad9361 driver related stuffs:
we do not maintain our own (modified) ad9361 driver anymore! The original ad9361 driver in the Linux kernel tree can be used with some extra EXPORT_SYMBOL.

remove our customized xilinx_dma.c. the original xilinx_dma.c in kernel can be used now

Update make_all.sh

adding license and copyright headers

add recent update:
1. add git revision software register 7 to DRV_XPU module (not FPGA XPU module)
2. fix the print of hdr->seq_ctrl in sdr.c
3. add ht_flag display to sdr.c
4. remove the sysid from

add recent update:
1. add git revision software register 7 to DRV_XPU module (not FPGA XPU module)
2. fix the print of hdr->seq_ctrl in sdr.c
3. add ht_flag display to sdr.c
4. remove the sysid from devicetree because new we have our own git revision read back solution in FPGA (XPU register 63) and driver (the sotware register 7 of drv_xpu)
5. add sudo to update_sdcard.sh to make the image generation without SD card in the test-bed easier

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prepare upgrade

prepare for release

initial commit