nano33: llext heap fix and add math functions to LLEXT_EXPORTS.C (arduino#109)

* Increase LLEXT_HEAP Size
* add in a few trig functs to exports.c

Author: mjs513

loader/llext_exports.c

@@ -49,6 +49,12 @@ EXPORT_SYMBOL(islower);
 EXPORT_SYMBOL(isxdigit);
 
 EXPORT_SYMBOL(atan2);
+EXPORT_SYMBOL(atan2f);
+EXPORT_SYMBOL(atanf);
+EXPORT_SYMBOL(asinf);
+EXPORT_SYMBOL(acosf);
+EXPORT_SYMBOL(sqrt);
+EXPORT_SYMBOL(sqrtf);
 
 EXPORT_SYMBOL(k_sched_lock);
 EXPORT_SYMBOL(k_sched_unlock);
@@ -223,4 +229,5 @@ FORCE_EXPORT_SYM(__aeabi_f2d);
 FORCE_EXPORT_SYM(__aeabi_idivmod);
 FORCE_EXPORT_SYM(__aeabi_ldivmod);
 FORCE_EXPORT_SYM(__aeabi_ul2f);
+FORCE_EXPORT_SYM(__aeabi_dcmpge);
 FORCE_EXPORT_SYM(__cxa_pure_virtual);

variants/arduino_nano_33_ble_nrf52840_sense/arduino_nano_33_ble_nrf52840_sense.conf

@@ -34,7 +34,7 @@ CONFIG_PWM=y
 CONFIG_LLEXT_STORAGE_WRITABLE=n
 CONFIG_SHELL_STACK_SIZE=2048
 CONFIG_HEAP_MEM_POOL_SIZE=16384
-CONFIG_LLEXT_HEAP_SIZE=96
+CONFIG_LLEXT_HEAP_SIZE=128
 CONFIG_MAIN_STACK_SIZE=16384
 
 CONFIG_BT_RX_STACK_SIZE=4096