net: lib: coap_server: common: net.coap.server.secure reports RAM overflow

[katgiadla]

Describe the bug
The test tests/net/lib/coap_server/common/net.coap.server.secure fails.

Observed for nrf54l15dk/nrf54l15/cpuflpr.

To Reproduce
Steps to reproduce the behavior:

1. go to your zephyr dir
2. call ./scripts/twister -s net.coap.server.secure -p nrf54l15dk/nrf54l15/cpuflpr -v --inline-logs --overflow-as-errors
3. See console output with error

Expected behavior
Valid console output

Impact
Not clear

Logs and console output

/opt/zephyr-sdk/riscv64-zephyr-elf/bin/lib/gcc/riscv64-zephyr-elf/12.2.0/riscv64-zephyr-elf/bin/ld.bfd: zephyr/zephyr_pre0.elf section `text' will not fit in region `RAM'
/opt/zephyr-sdk/riscv64-zephyr-elf/bin/lib/gcc/riscv64-zephyr-elf/12.2.0/riscv64-zephyr-elf/bin/ld.bfd: region `RAM' overflowed by 109456 bytes
collect2: error: ld returned 1 exit status
ninja: build stopped: subcommand failed.

Environment (please complete the following information):

• OS: Ubuntu 20.04.1 LTS
• Toolchain Zephyr SDK 0.17.0
• Commit SHA or Version used: v4.1.0-2843-g9c9c08

Additional information:
Probably introducedy by commit b596b13

[pdgendt]

The non-secure version already overflows

$ west build -p -b nrf54l15dk/nrf54l15/cpuflpr tests/net/lib/coap_server/common
/home/pdgendt/.local/opt/zephyr-sdk-0.16.8/riscv64-zephyr-elf/bin/../lib/gcc/riscv64-zephyr-elf/12.2.0/../../../../riscv64-zephyr-elf/bin/ld.bfd: zephyr/zephyr_pre0.elf section `text' will not fit in region `RAM'
/home/pdgendt/.local/opt/zephyr-sdk-0.16.8/riscv64-zephyr-elf/bin/../lib/gcc/riscv64-zephyr-elf/12.2.0/../../../../riscv64-zephyr-elf/bin/ld.bfd: region `RAM' overflowed by 109440 bytes
collect2: error: ld returned 1 exit status
ninja: build stopped: subcommand failed.

[rlubos]

I'll fix the filters