samples: openamp_rsc_table: increase stack size

While testing openamp_rsc_table sample for HiFi4 DSP from
i.MX8MP, realized the stack is not enough.
Increase the size based on Thread Analyzer measurements:

*** Booting Zephyr OS build zephyr-v3.4.0-971-g9415baf2c211 ***
Starting application threads!

OpenAMP[remote]  linux responder demo started

OpenAMP[remote] Linux sample client responder started

OpenAMP[remote] Linux tty responder started
[00:00:00.020,000] <dbg> openamp_rsc_table: mailbox_notify:
mailbox_notify: msg received

[00:00:00.024,000] <dbg> openamp_rsc_table: mailbox_notify:
mailbox_notify: msg received

Thread analyze:
 0x9240c5a0          : STACK: unused 240 usage 1296 / 1536 (84 %); CPU: 10%
      : Total CPU cycles used: 3388523
 0x9240c628          : STACK: unused 240 usage 784 / 1024 (76 %); CPU: 10%
      : Total CPU cycles used: 4086621
 0x9240c6b0          : STACK: unused 408 usage 616 / 1024 (60 %); CPU: 7%
      : Total CPU cycles used: 3553673
 0x9240c738          : STACK: unused 152 usage 872 / 1024 (85 %); CPU: 44%
      : Total CPU cycles used: 25529572
 0x9240c7c0          : STACK: unused 352 usage 672 / 1024 (65 %); CPU: 21%
      : Total CPU cycles used: 13742359
 0x9240c888          : STACK: unused 936 usage 88 / 1024 (8 %); CPU: 0%
      : Total CPU cycles used: 0
 ISR0                : STACK: unused 1536 usage 512 / 2048 (25 %)

Signed-off-by: Iuliana Prodan <iuliana.prodan@nxp.com>
1 file changed