Fix for SP small calling label with GCC

[dgarske]

Description

Fix for SP small calling label with GCC (broken in PR #7753).

Testing

GCC with WOLFSSL_SP_SMALL and WOLFSSL_SP_ARM_CORTEX_M_ASM

Checklist

• added tests
• updated/added doxygen
• updated appropriate READMEs
• Updated manual and documentation

[dgarske]

Retest this please:

../testing/Jenkins/generic-config-parser/generic-config-parser.sh -s 100 -c 5 ../testing/Jenkins/generic-config-parser/config-flags/PRB-single-flag.txt
Running 5 tests starting from 100 where USE_FSANITIZE=0 and WOLFSSL_OPENSSL_TEST=1

FAIL: scripts/openssl.test

---
client failed! Suite = DHE-RSA-AES128-SHA256 version = 3
in cleanup
killing server: OpenSSL_RSA (60483)
killing server: wolfSSL_RSA (52827)
killing server: OpenSSL_ECDH[E]-ECDSA (62594)
killing server: wolfSSL_ECDH[E]-ECDSA (52827)
killing server: OpenSSL_TLSv1.3_PSK (49982)
killing server: wolfSSL_TLSv1.3_PSK (57301)
FAIL scripts/openssl.test (exit status: 1)
<<<
Error: Test runtime=99sec. Make Check RESULT = 2
Exiting with status: 1
Script ran for 184 seconds.
script returned exit code 1

[night1rider]

This addresses and fixes the errors I was having with the macros:
WOLFSSL_SP_SMALL and WOLFSSL_SP_ARM_CORTEX_M_ASM when combined

The errors this PR fixed for me:

/home/dell5060/MaximSDK/Tools/GNUTools/10.3/bin/../lib/gcc/arm-none-eabi/10.3.1/../../../../arm-none-eabi/bin/ld: /home/dell5060/wolfWork/port/MAX32666/build/sp_cortexm.o: in function `L_sp_2048_cmp_32_words_397':
sp_cortexm.c:(.text.sp_2048_cmp_32+0x34): undefined reference to `L_sp_2048_cmp_32_words'
/home/dell5060/MaximSDK/Tools/GNUTools/10.3/bin/../lib/gcc/arm-none-eabi/10.3.1/../../../../arm-none-eabi/bin/ld: /home/dell5060/wolfWork/port/MAX32666/build/sp_cortexm.o: in function `L_sp_2048_cmp_64_words_520':
sp_cortexm.c:(.text.sp_2048_cmp_64+0x34): undefined reference to `L_sp_2048_cmp_64_words'
/home/dell5060/MaximSDK/Tools/GNUTools/10.3/bin/../lib/gcc/arm-none-eabi/10.3.1/../../../../arm-none-eabi/bin/ld: /home/dell5060/wolfWork/port/MAX32666/build/sp_cortexm.o: in function `L_sp_3072_cmp_48_words_935':
sp_cortexm.c:(.text.sp_3072_cmp_48+0x34): undefined reference to `L_sp_3072_cmp_48_words'
/home/dell5060/MaximSDK/Tools/GNUTools/10.3/bin/../lib/gcc/arm-none-eabi/10.3.1/../../../../arm-none-eabi/bin/ld: /home/dell5060/wolfWork/port/MAX32666/build/sp_cortexm.o: in function `L_sp_3072_cmp_96_words_1058':
sp_cortexm.c:(.text.sp_3072_cmp_96+0x34): undefined reference to `L_sp_3072_cmp_96_words'
/home/dell5060/MaximSDK/Tools/GNUTools/10.3/bin/../lib/gcc/arm-none-eabi/10.3.1/../../../../arm-none-eabi/bin/ld: /home/dell5060/wolfWork/port/MAX32666/build/sp_cortexm.o: in function `L_sp_256_cmp_8_words_1177':
sp_cortexm.c:(.text.sp_256_cmp_8+0x34): undefined reference to `L_sp_256_cmp_8_words'
collect2: error: ld returned 1 exit status
make: *** [/home/dell5060/MaximSDK/Libraries/CMSIS/Device/Maxim/GCC/gcc.mk:503: /home/dell5060/wolfWork/port/MAX32666/build/MAX32666.elf] Error 1