update startup gcc to add back weak definitions and have HciDrvRadioBoot call NVIC_SetVector

Author: Wenn0101

connectivity/drivers/ble/FEATURE_BLE/TARGET_Ambiq_Micro/hal/apollo3/hci_drv_apollo3.c

@@ -511,6 +511,7 @@ HciDrvRadioBoot(bool bColdBoot)
     CRITICAL_PRINT("INTEN:  %d\n", BLEIF->INTEN_b.BLECSSTAT);
     CRITICAL_PRINT("INTENREG:  %d\n", BLEIF->INTEN);
 
+    NVIC_SetVector(BLE_IRQn, HciDrvIntService);
     NVIC_EnableIRQ(BLE_IRQn);
 
     //

targets/TARGET_Ambiq_Micro/TARGET_Apollo3/TOOLCHAIN_GCC_ARM/startup_gcc.c

@@ -77,11 +77,11 @@ extern void am_iomaster2_isr(void) __attribute((weak, alias("am_default_isr")));
 extern void am_iomaster3_isr(void) __attribute((weak, alias("am_default_isr")));
 extern void am_iomaster4_isr(void) __attribute((weak, alias("am_default_isr")));
 extern void am_iomaster5_isr(void) __attribute((weak, alias("am_default_isr")));
-extern void HciDrvIntService(void); //__attribute((weak, alias("am_default_isr")));
-extern void am_gpio_isr(void); //__attribute((weak, alias("am_default_isr")));
-extern void am_ctimer_isr(void); //__attribute((weak, alias("am_default_isr")));
-extern void am_uart_isr(void); //__attribute((weak, alias("am_default_isr")));
-extern void am_uart1_isr(void); //__attribute((weak, alias("am_default_isr")));
+extern void HciDrvIntService(void) __attribute((weak, alias("am_default_isr")));
+extern void am_gpio_isr(void) __attribute((weak, alias("am_default_isr")));
+extern void am_ctimer_isr(void) __attribute((weak, alias("am_default_isr")));
+extern void am_uart_isr(void) __attribute((weak, alias("am_default_isr")));
+extern void am_uart1_isr(void) __attribute((weak, alias("am_default_isr")));
 extern void am_scard_isr(void) __attribute((weak, alias("am_default_isr")));
 extern void am_adc_isr(void) __attribute((weak, alias("am_default_isr")));
 extern void am_pdm0_isr(void) __attribute((weak, alias("am_default_isr")));