Updated wolfssl to latest master, fixes Cortex-M0 issue.

Author: danielinux

docs/Targets.md

@@ -62,16 +62,6 @@ partitions of 64KB each, leaving room for up to 8KB to use for swap (4K are bein
 
 Use `make TARGET=stm32l0`. The option `CORTEX_M0` is automatically selected for this target.
 
-#### Known issues
-
-With Ed25519 (default SIGN algorithm) it's not possible at the moment to compile wolfboot
-with optimizations, due to a GCC linker error complaining about a missing symbol `__gnu_thumb1_case_uqi`.
-
-Possible workarounds:
-- Compile ed25519 with debug (optimizations are disabled) : `make TARGET=stm32l0 DEBUG=1`
-- Use ECDSA instead (which is much faster) : `make TARGET=stm32l0 SIGN=ECC256`
-
-
 ## STM32G0x0/STM32G0x1
 
 Example 128KB partitioning on STM32-G070:
@@ -98,16 +88,6 @@ Compile with:
 
 `make TARGET=stm32g0 NVM_FLASH_WRITEONCE=1`
 
-#### Known issues
-
-With Ed25519 (default SIGN algorithm) it's not possible at the moment to compile wolfboot
-with optimizations, due to a GCC linker error complaining about a missing symbol `__gnu_thumb1_case_uqi`.
-
-Possible workarounds:
-- Compile ed25519 with debug (optimizations are disabled) : `make TARGET=stm32g0 NVM_FLASH_WRITEONCE=1 DEBUG=1`
-- Use ECDSA instead (which is much faster) : `make TARGET=stm32g0 NVM_FLASH_WRITEONCE=1 SIGN=ECC256`
-
-
 ## SiFive HiFive1 RISC-V
 
 ### Features

lib/wolfssl

@@ -28,5 +28,5 @@
 void main(void) {
     asm volatile ("cpsie i");
     while(1)
-        WFI();
+        asm volatile("WFI");
 }